List of Dune terminology

Mixed Canonicity

This article or section refers to elements from both Original Dune and Expanded Dune.

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The following is a list of terminology used in the Dune novels and associated work. Terms not formally defined in separate articles are marked in bold; topics requiring more extensive explanation are linked to the appropriate Main articles.

Contents:	A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

• Aba ~ Loose, usually black robe worn by Fremen women.
• Abu 'd Dhur or Abu Dhur ~the Father of the Indefinite Roads of Time, possibly in Fremen mythology or Orange Catholicism.
• Ach ~ is a worm-steersman's term for a left turn.
• Abomination ~ Bene Gesserit term for one who acquires full consciousness in the womb as a result of being exposed to the spice agony.
• Adab ~ the demanding memory that comes upon you itself.
• Adept ~ a person who has entered one of the Great Schools, for example Bene Gesserit or Ginaz Swordmasters and is very skilled or has obtained a lot of training or knowledge but is not yet necessarily a Reverend Mother or master.
• Advocate General ~ an officer of the imperial court who oversees the admission of audiences and similar tasks.
• Ajidamal (or Amal) ~ Disastrously-flawed synthetic spice melange created by the Tleilaxu's Project Amal before the process of producing spice in axlotl tanks was perfected.
• Akarso ~ a plant native to Sikun ( of 70 Ophiuchi A ) characterized by oblong leaves. Its green and white stripes indicate the constant multiple condition of parallel active and dormant chlorophyll regions.
• Akkad ~ one of the months on Arrakis and the new Atreides Calendar
• Alam al-Mithal ~ the mystical 'world of similitudes' where all physical limitations are removed.
• Al-Lat ~ mankind's original sun; by usage: any planet's primary.
• Al-Mutakallim ~ one of the names of God in Zensunni faith.
• Al Ourouba ~ the mythical home of the Zensunni on Earth
• Alia Cult ~ an cult of Gammu which was oppressed by Leto Atreides II Fish Speakers.Possibly a remnant or revival of Alias Priesthood.
• Alias Priesthood ~ a priestly organisation formed by Alia after her brothers alleged death to secure her position and to push back the influence of the Qizarate.Alias priests were partially recruited from the Quizarate though.
• Amazons ~ a mythical tribe or warrior-women on old earth, later applied to Alias all female guard and Letos Fishspeakers.
• Ambiel ~ a light fabric used for fine clothing
• Ampoliros ~ the legendary "Flying Dutchman" of space.
• Amtal or Amtal Rule ~ a common rule on primitive worlds under which something is tested to determine its limits or defects. Commonly: testing to destruction.
• Anti-fatigue Pills ~ a potent stimulans used by the Military
• Aql ~ the test of reason. Originally, the "Seven Mystic Questions" beginning: "Who is it that thinks?"
• Arcana - the Bene Gesserit secret inner teachings.
• Arifa ~ the fremen term for "Judge".Used as a title of their leaders by the tribe of Sietch Jacurutu.
• Armored Screen ~ a defensive construction similar to a big protective shield.
• Arrakeen ~ the first settlement on Arrakis; long-time seat of planetary government
• Arrakis ~ the planet known as Dune; third planet of Canopus.
• Assassin's Handbook ~ third-century compilation of poisons commonly used in a War of Assassins. Later expanded to include those deadly devices permitted under the Guild Peace and the Great Convention.
• Assyria ~ an ancielt realm on old earth.Home to the ancestors of the Bene Gesserit.
• Auliya ~ in the Zensunni Wanderers' religion, the female at the left hand of God; God's handmaiden.
• Aumas ~ poison administered in food. ( Specifically: poison in solid food. ) In some dialects: Chaumas.
• Auqaf ~ the military arm of the Church of Muad'dib in opposition to the Hajj.
• Axlotl tank ~ Biological tank in which gholas and melange were be produced, primarily by the Bene Tleilax.In truth the female variant of the Tleilaxu race.
• Ayat ~ the signs of life. ( See Burhan. )
• Ayil ~ the dqy of the first light on Arrakis and later the day of the Kwisatz Haderach.
• Lake Azrak ~ a gypsum plain on Arrakis, west of Jacurutu.Thevremnant of a prehistoric ocean.

B

• Bahada ~ a great fissue or crack in rock
• Bahr bela ma ~ “the ocean without water” a name of the open desert of Arrakis
• Bakka ~ in Fremen legend, the weeper who mourns for all mankind.
• Baklawa ~ A type of pastry made with date syrup.
• Baliset ~ Nine-stringed musical instrument, lineal descendant of the zithra, tuned to the Chusuk scale and played by strumming. A favorite instrument of Imperial troubadours.
• Barachan ~ an elevated shifting sand dune
• Baradye Pistol ~ a static-charge dust gun developed on Arrakis for laying down a large dye marker area on sand.
• Baraka ~ a living holy man.
• Bashar ~ (often Colonel Bashar): an officer of the Sardaukar a fractional point above Colonel in the standard military classification. Rank created for military ruler of a planetary subdistrict. ( Bashar of the Corps is a title reserved strictly for military use.)
• Battle Language ~ any special language if restricted etymology developed for clear-speech communication in warfare.
• Bedwine ~ usually the Ichwan Bedwine, the brotherhood of all Fremen on Arrakis.
• Behemoth ~ in Fremen belief a demon, a great Sandworm.Possibly also an archaic type of ship or sea-monster
• Bejato ~ a leaf-plant native to Arrakis
• Bela Tegeuse ~ fifth planet of Kuentsing: third stopping place of the Zensunni forced migration.
• Bene Gesserit ~ the ancient school of mental and physical training established primarily for female students.
• Beret -a soft, round, flat-crowned woven-hat, worn by the Sardaukar and imperial ladies-in-waiting.
• Berserker ~ Death commandos of the fish-speakers.Usually Individuals which were punished for having made a mistake were ordered to commit Berserker or suicide missions.
• B.G. ~ idiomatic for Bene Gesserit except when used with a date. With a date it signifies Before Guild and identifies the Imperial Dating system based on the genesis of the Spacing Guild's monopoly.
• Bene Sherk ~ a scattering of newer settlements east of Jacurutu and northeast of the Tanzerouft.
• Bene Tleilax (or Tleilaxu) ~ Secretive and powerful patriarchal race known for their genetic manipulation technologies.
• Bhotani Jib ~ see Chakobsa.
• Bi-La Kaifa ~ Amen. (Literally: "Nothing further need be explained.")
• Bicouros of Shaitan - "a lazy missionary of the devil".Somebody who serves an evil purpose out of lazyness or to achieve privileges.
• biological invasions - in context of military, biological warfare agents.Used during the Jihad by both sides.Caused post-war maladies such as the "spitting disease".
• Bindu ~ relating to the human nervous system, especially to nerve training. Often expressed as Bindu-nervature.
• Bindu Suspension ~ a special form of catalepsis, self-induced.
• Biyan ~"White Lands", another name for the great Gypsum plain south of the Habbanya Erg.
• Bled ~ the flat and open desert of Arrakis
• Body temperature pills - pills used by Outworlders on Arrakis to hold the body temperature low, especially people who did use cheap stillsuit imitates instead of fremen ones.
• Book of Kreos ~ a Fremen collection of Zensunni Sayings
• Book Leto ~ a collection of sayings and comments by Leto II ascribed to Harq al-Ada
• Bourka ~ insulated mantle worn by Fremen in the open desert.
• Bravos - a houses armed retainers or Assassins.
• Bu Ji ~ Zensunni Philosopher from Fremen tradition.
• Burhan ~ the proofs of life. (Commonly: the ayat and burhan of life.)
• Bureau of faith - A name of the Royal inquisition under Leto II
• Burseg ~ Commanding general of the Sardaukar.
• Butlerian Jihad ~ The epic crusade by mankind against Thinking Machines. Also called The Great Revolt.

C

• Cadelam ~ originally a Fremen tribe from Sietch Abbir, during the shortlived reign of Alia an uprising Family on the verge of becoming a House Minor.
• Caid ~ Sardaukar officer rank given to a military official whose duties call mostly for dealings with civilians. Officers of this rank often commanded as military governors over a full planetary district. The rank was above the rank of Bashar but not equal to a Burseg.
• Caliph -  a ruler of the Muslim world on Old Earth.
• Canto and Respondu ~an invocation rite, part of the panoplia prphetheticus of the Missionaria Protectiva.
• Carryall ~ Aircraft used on Arrakis to transport large spice mining, hunting and refining equipment.
• Caseri - ruler title, possibly from the times of the Old Empire.
• Catchtube ~ tube of a Stillsuit, connected to the suits catch-pockets.
• Caveat ~ a warning or condition.
• Cellular restructuring ~ Tleilaxu and Ixian term and technique describing the creation of a new human being from another humans basic genetic information, different from a Ghola or a clone.Hwi Noree was created via Cellular restructuring of genetic base material gained from Malky.
• Chakobsa ~ The Language of the Fremen of Arrakis.
• Catchpocket ~ Integral part of Stillsuit and Stilltent that used to contain reclaimed water.
• Cave of Birds ~ a cave in the Habbanya ridge.During tbe War on arrakis briefly Paul Muad'dibs base of operations.
• Chaumas ~ Poison in solid food as distinguished from poison administered in some other way.
• Chaumurky ~ Poison administered in a drink.
• Cheops ~ a game, also known as pyramid-chess.
• Cherem -a brotherhood of hate.
• CHOAM ~ A corporation which essentially controlled the economy of the Known Universe, with shares and directorships determining each House's income and financial leverage.
• Church of Muad'dib ~ The Church or political Organisation of Priests which revered Paul'Muad Dib as Mahdi, Messiah and quasi-godhead, developed from fremen Religion after Paul Atreides supposed death and active until tne reign of Leto II.
• Chusuk ~ the "Music planet".
• Cibus hood ~ a shapeless mask of ixian design, not really making it's wearer invisible, but completely hiding his features, making him fully unrecognizale.
• Cielago ~a species of bat indigenous to Arrakis.
• Coan-teen ~The female deathspirit who walks without feet of Fremen mythology.Also a diffaming name uswd for Alia by her political enemies.
• Code Atreides ~ The House Atreides laws and codex of honor and conduct.
• Cogitor ~ One of several ancient philosophers whose brains were transplanted into fluid-filled canisters so that they could analyze the universe indefinitely.
• Coif - a close-fitting cap worn by the Bene Gesserit.
• Cold Air Walls ~ artificial boundary created by ixian machines, enclosing tne Sareer.
• ComNet or communinet~ planetary communications network.
• Cone of silence~a field or zone wherein the sound of the human voice was electronically distorted so that recording and amplifying devices could not reproduce it effectively or clearly.
• Coriolis storm ~ Sandstorms on Arrakis in which winds across the open flatlands were amplified by the planet's own revolutionary motion to reach speeds up to 700 kilometres per hour.
• Corrin ~ a planet near the star Sigma Draconis which gave the name the Battle of Corrin and the House Corrino.
• Corrin, Battle of ~
• Cousines ~
• Crusher ~
• Cryologic tank ~
• The Crypt ~
• Crysknife ~ Weapon made from the tooth of a sandworm from Arrakis.
• Cueshma ~ fremen term for a "twenty-klick wind".
• Cutterray ~ Short-range version of a lasgun, primarily used as a cutting tool.
• Cymek ~ Type of cyborg, or machine-human hybrid, used during the Butlerian Jihad.

D

• Dao ~
• Dar-es-Balat ~ Ancient, one of the first, no-chamber which contains the Lost Journey of Leto Atreides II the God-Emperor. Later in Heretics of Dune it became a museum in the care of Priesthood of the Divided God.
• Dar al-hikman~a School of religious translation or interpretation.
• Dark things~
• Death Commandos~
• Death tripod~
• Deathstill ~ Fremen device used to extract all moisture from a living or dead human or creature.
• Demibrothers~
• Demiurge ~ a person who stands next to God.In Fremen mythology the Shai-Huludh was identified with the Demiurge.Paul Atreides likened himself to the Demiurge, while Leto seems to have adressed or intwrpreted his father's reign as the Demiurge.
• Derch~
• Desert of Zan ~ a place from Zenzunni Mythology, place of their Zensunni ancestors legendary first trial.
• Desposyni ~ the Desposyni were the descendants of Paul Atreides and their caliphate in the oral tradition of Arrakis.
• Dew collector or dew precipitator~
• Dew gatherer~
• Dhyana ~ Dhyana was a term for a spice-induced internal reality such as that grasped by Leto Atreides on his flighth through the Trenzerouft.
• Dictum familia~
• Digit mill ~ an Ixian apparition used to sensitize and strenghthen fingers or toes.
• Dishdasha ~ a öong-sleeved garment similar to a robe worn ober a still-suit
• Disputation of Armistead and Leandgrah~
• Distrans ~ Device for producing a temporary neural imprint on the nervous system of Chiroptera (bats) or birds. The creature's normal cry then carried the message imprint which could be sorted from that carrier wave by another distrans.
• Divan ~a piece of couch-like sitting furniture or box-spring based bed.
• Djeballa ~ a kind of hooded robe of the Fremen worn with a mouth-seal.
• Djedida ~ the Djedidas were new-towns built after the rise of Muad'dib.They were built on foundations of exposed basalt and consisted of a townhall, lesser buildings, mushtamal-gardens and walls of brick or mud.
• Doorseal ~
• Drugs ~
• Drum sand~
• Dump box~
• Dune hawk~
• Dune men~
• Dust chasm~
• D-Wolf ~ Wolf-like creatures bred by God Emperor to guard the Forbidden Forest around his Keep. The creatures were said to be a hybrid of gaze hounds and wolves.

E

• Ecaz~
• Ecumenism~
• Ego-likeness~
• Egret ~
• Elacca drug ~ Narcotic formed by burning the blood-grained elacca wood of Ecaz. The drug's effect was to remove most of the will to self-preservation; commonly used to prepare slave gladiators for the ring.
• Elacca rope~
• Elacca whip~
• El-sayal~fremen term meaning "the 'rain of sand".
• Elf-silk ~
• Enfeil ~
• Engineering ~
• Erg ~
• Evermind ~ Pseudonym of Omnius

F

• Face dancers ~ Tleilaxu created creatures able to mimic other humans exactly and go undetected by all known means.
• Face flaps ~
• Fai ~ the "water tribute", or principal form of taxation on Arrakis in the 102nd century BG.
• False Wall West ~
• Famine Times ~ The centuries following the death of Leto Atreides II, the God Emperor. Marked by chaos and famine on many worlds, and led to The Scattering.
• Fanmetal~ a kind of metalformed by the growing of jasmium crystals in duraluminum; noted for extreme tensile strength in relationship to weight
• Faufreluches~
• Favrashi~ a term used by Leto II to descrine the soul, collective unconscious, source of archetypes and repository of all trauma and joy.
• Fedaykin ~ Fremen death commandos, personally trained by Paul Atreides; historically: a group formed and pledged to give their lives to right a wrong.
• Filmbook~
• Filt-plug~
• Fiqh~ a Chakobsa term meaning "law" or "knowledge".In Fremen Belief "Fiqh" was one of the mystical origins of their Zensunni forefathers faith.
• Fire, pillar of~
• First moon~
• Fish Speakers ~ All-female military force created by Leto Atreides II to enforce his rule over the Known Universe.
• Floater Chair ~ a piece of furniture which was part of a sietch- quarter, presumably a chair which floated via suspensor-technology.
• Fogwood ~ Wood native to Ecaz, capable of being shaped in situ by thought alone.
• Foum al-hout~ the southern pole-star of Arrakis.
• Franzk ~ an old-terran language which presumably had contributed some to Galach, notably terms and names such as "melange".
• Free traders~
• Fremen ~ 'Native' inhabitants of Arrakis.
• Fremen robe~
• Fremkit ~ Desert survival kit of Fremen manufacture.
• Frigate~
• Funeral plains~
• Futar ~ Primitive and fierce artificial humanoid creatures created by the Bene Tleilax, a genetic mix of man and cat.

G

• Gabriel ~
• Galach ~ Official language of the Imperium.
• Galacia ~
• Gamont ~ The third planet of the Niushe system.
• Gara Rulen ~
• Gare ~
• Gare Ruden ~
• Gathering ~
• Gehenna~ the realm of Shaitan.
• Generalist ~
• Geyrat~straight ahead; a worm steersman's call.
• Ghafla ~giving oneself up to gadfly distractions. Thus; a changeable person, one not to be trusted..
• Ghanima~
• Ghola ~ Clone grown in an Axlotl tanks from genetic material retrieved from the cells of a deceased subject.
• Giedi prime~
• Gila Woodpecker ~ a bird home to Arrakis.
• Ginaz, house~
• giudichar~a holy truth. (Commonly seen in the expression Giudichar mantene: an original and supporting truth.)
• Gladiator -
• Glowglobe ~ Suspensor-buoyed illuminating device, self-powered by harnessing the extra energy channeled by the Holtzman effect.
• God~
• Golden Age of Earth ~
• Golden Elixir of life ~
• Golden Path ~ Paul Atreides and Leto II's strategy to prevent humanity's ultimate extinction.
• Gom Jabbar ~ Specific poison needle tipped with meta-cyanide used by the Bene Gesserit in their 'death-alternative test of human awareness.' It was called 'the high-handed enemy.'
• Goygoa~ small pastoral village built on former Jacurutu.
• Graben~
• Great Belief ~ Tleilaxu religion consists from two ancient religious sects, Zensunni and Sufi.
• Great Convention ~ Universal truce enforced under the power balance maintained by the Spacing Guild, the Great Houses, and the Imperium. Its chief rule prohibits the use of atomics against human targets.
• Great Hall ~
• Great mother~
• Great revolt~
• Greeks ~
• Gridex plane~
• Grumman~
• the Guard Bible - a religious book preserved by the Bene Gesserit.
• Guild~
• Guild Bank ~
• Guild courier~
• Guild Key ~
• Guild Navigator ~ Melange-mutated humans safely able to navigate interstellar space in Heighliners through prescience.
• Guild Ship ~

H

• Habbanya ~
• Hadith ~a placename on Arrakis.
• Hadji ~
• Hagal~
• Haiiiii-Yoh!~
• Hajj ~
• Hajra ~
• Hal yawm
• Handlers ~ Humanoid race who bred and trained Futars to hunt Honored Matres.
• Harj~fremen term for a desert journey or migration.
• Harmonthep~
• Harpies ~
• Harvester (also Harvester Factory or Crawler) ~ Large (often 120 metres by 40 metres) spice mining machine with a buglike body on independent tracks.
• Headband of mourning ~
• Heighliner ~ Enormous carrier spaceships used by the Spacing Guild for interstellar travel.
• Heinali ~ the "manpusher", a hundred-klick wind.
• Heretic-
• Hiereg~Fremen term for a desert camp.
• High council~
• High Monitors ~
• Holtzman Effect ~ Scientific phenomenon that makes (among other things) instantaneous space travel and defensive force shields possible.
• the Holy Book of the divided God - the holy book of the church of the divided god and the Rakis Priesthood
• The Holy Metamorphosis ~
• Honored Matres ~ Matriarchal order formed in The Scattering, by Bene Gesserit and Female Tleilaxu, who used sexual imprinting and violence to subdue and control their enemies.
• Hookman~
• Horns-of-the-Worm ~
• Hour of Assassins ~
• Houri ~ a virgin of god.
• House~
• House major~
• House minor~
• House Proctor
• House Ferrets~
• Huanui-nau ~a Deathstill
• Hulasikali Wala ~ fremen name for the Coriolis storm.
• Hunter-seeker ~ Ravening sliver of suspensor-buoyed metal guided as a weapon by a nearby control console, commonly used for assassination. Floating in mid-air, it kills by entering the body and following nerve pathways to vital organs.
• hydraulic despotism

I

• Ibad ~
• Ibn qirtaiba~see qirtaiba
• Ichwan ~
• Idaho river ~
• Iduali ~
• Ijaz ~ Described as "The inimitibility of the prophecy". A term used by the Missionaria Protectiva to describe a prophecy they have planted on a planet as unique, and unable to be copied. Lady Jessica uses this term to describe the Fremen prophecy of the Mahdi that was planted on Arrakis.
• Ikhut-eigh!~
• Imperial Citadel~
• Ilm~fremen term for theology.
• Imperial conditioning~
• Imprinter ~ A Reverend Mother, who achieved to master three hundred steps of orgasmic amplification, assigned to condition any potential or important male via sexual imprinting.
• Infectious agent
• Inkvine ~ Creeping plant native to Giedi Prime and frequently used as a whip in its slave pens. Victims were marked by beet-colored tattoos that cause residual pain for many years.
• Inquisitor~
• Isis Cult ~
• Isnad ~ amonf the Fremen a convention of a tribe in whixh was hold justice on another member of the tribe.
• Istislah ~ The Fremen rule of general interest. Everything is done in the general interest of the tribe, not the individual.
• Itinerant priest~
• Ix~
• Ixian amplifyer ~
• Ixian Core ~
• Ixian damper ~ Device used to prevents eavesdropping from outside functioning area.
• Ixian dictatel ~
• Ixian globe ~
• Ixian mask ~
• Ixian Masters ~
• Ixian navigator ~ Mechanical substitution for a Guild Navigator. It was used in every no-ships and in some of Guild heighliners.
• Ixian probe ~ Device used to capture the thoughts of a person (living or dead) for analysis; could be blocked by the substance shere.
• Ixian tools ~
• Ixian tube-lift~

J

• Jacob Broom ~
• Jadacha ~ The Legs ot thights.A Jadacha-hermaphrodit as the Face Dancers was a person who is of no physical or mental sex and gender who could willingly change it's physics to imitate a person of any sex and gender.
• Jalalud-Din ~
• Janus~
• Jihad ~
• Jihad, butlerian~
• John Baptist ~
• John Bartlett ~
• Johnnies ~
• Jowf ~ a place on old earth , possibly near Assyria.The priestesses of Youth were ancestors of the Bene Gesserit.
• Jubba ~ an all-purpose cloak commonly worn over a stillsuit on Arrakis.
• Judge of the change

K

• Kadesh ~ a planet, home of Tagir Mohandis, the troubadour].
• Kadrish ~ a planet far from Arrakis where it had become fashion to wear imitated stillsuits.
• Kagga Basin ~
• Kairitis ~
• Leb Kamai ~ a mythical place.
• Kanly ~ Formal feud or vendetta under the rules of the Great Convention carried on according to the strictest limitations. Originally the rules were designed to protect innocent bystanders.
• Karakul ~ a black wool made from the wool of the Karakul sheep.
• Karama ~ A miracle; an action intiated by the spirit world.
• Kaymakam ~  title for a political governor during Paul Muad'dib and Alia's rule  
• Kaza ~fremen term for the appointed leader of a group
• Kedem or Kadem~ the Fremen word for Arrakis' inner desert.
• Keeper of Jessica's Light~
• Keffiya ~the knotted headdress worn by a Fremen Naib.
• Ke'leb ~
• Ketman~ fremen term for the concept of Taquiyya.
• Khala ~ Traditional invocation to still the angry spirits of a place you mention.
• Killer medic ~
• Kindjal~
• Kiswa ~ Any figure or design from Fremen mythology.
• Kitab Al-Ibar ~ The combined survival handbook/religious manual developed by the Fremen on Arrakis
• Kontar ~ a unit of measure.Once one and a half kontar limited a camel load.
• Kralizec ~ Long-foretold final battle or 'typhoon struggle at the end of the universe.'
• Krimskell fibre~
• Krimskell rope~
• Kull wahad~
• Kulon~
• Kwisatz Haderach ~ "The Shortening of the Way." This is the label applied by the Bene Gesserit to the unknown for which the sought a genetic solution: a male Bene Gesserit whose organic mental powers would bridge space and time. After the reign of Leto II, the Tyrant, this label became applied to all persons whom the Bene Gesserit thought to be of unnatural/supernatural power that could drastically change the balance of power in the known universe. ( See also Leto Atreides II, Paul Atreides, Hasimir Fenring, Duncan Idaho, Miles Teg)
• Kynes Sea ~

L

• La,la,la~
• Landing-lip ~
• Landsraad ~ The Assembly of all nobles in the Imperium.
• Lasgun ~ Energy weapon, technically a continuous-wave laser projector.
• L-ray ~ The ray emitted from the explosion of stone burner that can cause blindness with direct contact to the eye.
• Laza tiger ~ Big hybrid feline on Salusa Secundus
• Legion, imperial~
• Liban~
• Lida ~
• Life scanner-
• Life shield blanket ~ Device used to shield life signal inside the shielding area from life tracing.
• Lisan al-gaib~
• Lisanu L'haqq ~
• Literjon~
• Little Citadel~
• Little maker~
• Long Koan ~
• Lost Tleilaxu ~ Offshoot race of the Bene Tleilax, formed in The Scattering.

M

• Machinery inspector~
• Mahdi~
• Mahdi religion ~
• Mahdi spirit cultists ~
• Mahdinate ~
• Majordomus ~
• Maker~
• Maker Hook ~
• Maku ~
• Management bureaucracy~
• Mantene~
• Maometh~
• Masshad ~ fremen term for a spiritual-test.
• Master of the Deathstills ~
• Mating index~
• Maula~
• Maula pistol ~ Spring-loaded gun for firing poison darts, with a range of about 40 metres.
• Maulana ~ aa rank or office among the Qizarate
• Medic ~
• Melange ~ Drug that was essential to space travel and extended life, and therefore to the survival of the universe.
• Melange Wafers ~
• Memerase paper~
• Memocorder ~
• Mentat ~ Individuals trained as human computers, their minds developed to staggering heights of cognitive and analytical ability.
• Merchant-priests ~
• Message-Capsule ~
• Metaglass~
• microbubble~
• Mihna~the season for testing Fremen youths who wish admittance to manhood. 
• Minimic film~
• Mirabhasa ~ principles of the Bhotani philosophy, meaning "rationalism".Also mirabhasa languages, created after the Mirabhasa principles, honed phlange consonants and joined vowels used as an instrument for conveying fine emotional subtleties.
• Mirzabah ~ the Iron Hammer with which the dead are beaten who cannot reply satisfactorily to the questions they must answer before entry into paradise.
• Mish-Mish ~ Apricots.
• Misr~
• Missionaria Protectiva ~ An arm of the Bene Gesserit charged with spreading contrived myths, prophecies and superstition on primitive worlds so that the Bene Gesserit may later exploit those regions.
• Mjeed ~ a ruling-title from old Terra.
• Mnemonic amplifier ~
• Mnemonic flutter-system ~
• Mohalata ~ among the Fremen the term for a protective partnership.Among the Bene Gesserit the partnership one of the pre-born can have with benign ancestors to protect him from malignant ancestors.
• Moisture seal ~
• Moisture trap ~
• Molitor Victory ~
• Monitor~
• Mother of moisture ~
• Mouthseal ~
• Muad'dib~
• Muad'Dibs Cleft~
• Mudir nahya~
• Mufti ~ official garb of a Priest or House-trooper.
• Muritan ~
• Museum Fremen ~
• Mushtamal-a small garden annex to a Fremen djedida, the term was imported from Ishkal.
• Musky~
• Mu zein wallah!

N

• Na-Baron ~ Noble title given to a Baron's heir-apparent.
• Naib ~ Caretaker and Leader of Sietch. The word means 'Servant of Sietch' in Chakobsa.
• Naraj Worlds ~
• Navigation machines ~
• Nebiros ~
• Needle knife~
• Nezhoni scarf ~
• Niazi ~ a place of saltmines on Arrakis.
• Nightseal ~
• No-chamber or No-room ~ Construct that hid anything inside from prescient and ocular vision, as well as other methods of detection.
• No-ship ~ No-chamber in spaceship form, with enough limited prescience to be capable of interstellar travel without a Guild Navigator.
• Noah Arkwright~
• Non-absolutum ~
• Noukker ~
• Novice ~
• Nullentropy ~ Technology through which the natural processes of time, such as decomposition, were ceased. In this way, matter such as human cells was stored for millennia without damage.

O

• Obliterators ~ Honored Matre weapons of mass destruction. They combusted the atmosphere of a planet and subsequently its surface.
• Oil lens~
• Opafire~
• Oracle ~
• Orange Catholic Bible~
• Orange catholic ritual~ the rite of communion among the followers of the fourteen sages in which the believers shared a wafer sybolising the flesh of god.
• Order of Hormu ~ An organization of Honored Matres' playfems.
• Other Memory ~ The combined ego and memories of all female ancestors that a Bene Gesserit was trained to access.
• Ornithopter (or 'Thopter) ~ Aircraft capable of sustained wing-beat flight in the manner of birds.
• Out-freyn~
• Osiris ~
• Ovid ~

P

• Pajama suit ~
• Palato ~ an ancient ruler-title from the Old Empire or even Old Earth
• Palian Silk ~
• Palm lock ~ Lock or seal which could be opened only by contact with the palm of the human hand to which it has been keyed.
• Pan~
• Panoplia Propheticus ~ Common term for superstitions planted through the Known Universe by Missionaria Protectiva.
• Paracompass~
• Paradan~
• Parasilk ~
• Parato Silk ~
• Parella~
• Pastaza ~ fremen term for a specific kind of breeze.
• Perimeter Wall ~
• Perth ~
• Phibian ~ Primitive, amphibious humanoid creatures, a genetic mix of man and fish.
• Pilgrim ~
• Planets of Dan~
• Plasteel ~ Extremely tough form of steel, stabilized with stravidium fibers grown into its crystal structure.
• Playfem ~ Short for Play Female, a word used to call prostitute.
• Plasmeld ~
• Plasteel~
• Plastone ~
• Plaz (or windowplaz) ~ Synthetic glass, used for windows (especially in aircraft and spaceships) due to its superior strength.
• Pleniscenta
• Poison snooper ~ Radiation analyzer within the olfactory spectrum and keyed to detect poisonous substances.
• Poling the sand~
• Ponji rice ~
• Poritrin -
• Portyguls ~ Oranges.
• Prajna ~ a Bene Gesserit meditation technique.
• Prana~
• Prana-bindu ~ Prana for nerve and bindu for fibers. Training that provided a Bene Gesserit with complete muscle control (Prana nervature related to nervous system control), and the basis of the Weirding Way
• Presciensce~
• Pre-spice mass~
• Predator fish ~ Fishes that used to protect qanat from sandtrouts.
• Priest-advocate ~
• Priest-guards ~
• Priestess Amazons ~
• Priestesses of Jowf ~
• Primito~
• Proces verbal ~
• Proctor superior~
• Propagandists ~
• Pru-door prudence barrier~
• Pundi rice~
• Punji Cotton~
• Pyons~
• Pyretic consciense~

Q

• Qadis as-Salaf ~the holy fathers of Fremen mythology.
• Qanat ~ Open canal for carrying irrigation water under controlled conditions through a desert.
• Qirtaiba~derived from ""Ibn Qirtauba, "Thus go the holy words...." the formal beginning to Fremen religious incantation (derived from panoplia propheticus).
• Qizara tafwid ~

R

• Rachag~a coffein-like stimulans extracted from the berries of the Arkaso.
• Rain tree ~
• Raja~
• Rakah ~
• Ramadhan~
• Razzia~
• Recaths~
• Rebaba ~a ten-string instrument of the Fremen.
• Rebec ~
• Repkit~
• Residual poison ~ Innovation whereby the body was impregnated with a substance for which repeated antidotes must be administered; withdrawal of the antidote at any time brought death.
• Reverend Mother ~ Female Bene Gesserit who had survived a ritual wherein she consciously transformed a toxic dose of melange to a non-poisonous substance at the molecular level, thereby raising herself to a higher level of awareness and enabling her to access Other Memory.
• Richese~
• Ridulian Crystal ~ Crystalline substance used to manufacture printing materials at the thickness of one molecule.
• Ridulian Crystal paper ~
• Rihani decipherment ~
• Rihani magic ~ decipherment uswd by the Bene Gessent to recognize a registered individual no matter what overt change in behavior or appearance he assumes Rihani decipherment also allowed sisters to unerringly identify Face Dancers and gholas, even when they assumed the appearance of individuals unknown to the Sister herself.The decipherment pattern also allowe them to discern the non-human characteristics.
• Rimwall~
• Ringwall West ~
• Royal cart ~
• Royal Road ~
• Ruh-spirit~ In Fremen belief, that part of the individual that is always rooted in and capable of sensing the metaphysical world.

S

• Sadu ~ among the fremen the blessed company of heavenly judges.A Sadu presided over the traditional scales, which here weigh either the soul or the water rendered trom the dead, for the scales formed the T of the Tau.
• Salusa Secundus
• Salusan bull ~ Fierce and very aggressive creature with multiple horns, used in bullfighting on Caladan and supposedly originating from Salusa Secundus.
• Sandblast~
• Sandcrawler~
• Sand dancer ~
• Sandmaster~
• Sand Pirates ~
• Sand plankton ~ The first phase of Sandworm's life cycle before a Sandtrout vector. Thought to be Sandworm's food.
• Sandrider~
• Sandsnork~
• Sandthorn ~
• Sandtide~
• Sandtracks ~
• Sandtrout ~ Premature form of the Sandworm.
• Sandwalker
• Sandworm ~ Giant sand-dwelling creatures native to Arrakis, essential to the production of melange. Called Shai-Hulud by the Fremen and worshipped as deities.
• Sapho ~ High-energy liquid extracted from barrier roots of Ecaz, commonly used by Mentats to amplify their mental powers. Users developed deep ruby stains on mouth and lips.
• Sardaukar ~ Ferocious soldier-fanatics of the Padishah Emperors, later disbanded by Leto II.
• Sareer~
• Sarfa~ the act of turning away from God 
• Sayyadina ~ Acolytes and candidates for Fremen Reverend Mother.
• The Scattering ~ Event after the reign of Leto II in which billions of people left the settled worlds of the Old Empire, striking off into unknown space.
• Schlag~
• Secher Nbiw ~ The Golden Path
• Second moon~
• Selamlik~
• Semboule~ possibly a placename on Sembu, where the Semboule treaty was signed.
• Sembu ~ planet conquered during Muad'Dib's Jihad.
• Semuta ~ Second narcotic derivative (by crystal extraction) from the burned residue of elacca wood from Ecaz. The effect (described as timeless, sustained ecstasy) was elicited by certain atonal vibrations referred to as semuta music.
• Sennacherib ~ an ancient King of Assyria.
• Sensiform floater ~
• Sermon ~ a preacher's public oration on religious matters
• Servitor ~
• Servo-control ~
• Servo-stimulator ~
• Servo-transmitter ~
• Servok ~
• Shaitan ~ Another name of sandworms of Arrakis which means Satan or Evil one.
• Shai-Hulud ~ Fremen name for the sandworms of Arrakis.
• Shere ~ Significant presence of this substance in the body blocked the use of an Ixian probe.
• Shigawire ~ Metal extrusion of a ground vine (Narvi narviium) grown only on Salusa Secundus and III Delta Kaising, noted for extreme tensile strength and used as a recording medium (among other things).
• Shadout~
• Shari-a~Fremen believe in religious ritual.
• Shariat-
• Shield,defensive~
• Shieldwall~
• Shigawire~
• Shrine of the Crysknife ~
• Shuloch ~
• Siaynoq ~ God Emperor's greatest ritual, sharing moment with his Fish Speakers, performed every ten years in the Festival City of Onn. In Heretics of Dune, 1500 years after the time of God Emperor, become a ritual dance in the City of Keen.
• Sietch ~ Cave warren inhabited by a Fremen tribal community.
• Sietch Abbir ~
• SietchbAttendant ~
• Sietch orgy (or sietch tau orgy) ~ Fremen ritual of unrestrained sexual indulgence which takes place after a Reverend Mother shares the changed Water of Life with her community.
• Sietch school ~
• Sihaya ~ A landscape of Sand-dunes on Arrakis, the name of the Recording Angel who interrogates the newly dead.Also Chani Kynes intimate name by Paul Atreides.
• Silver-blade~
• Since Syndrome~
• Singlesuit ~
• Sink~
• Sinichart~
• Sirat~the passage in the O.C. Bible that describes human life as a journey across a narrow bridge (the Sirat) with “Paradise on my right, Hell on my left, and the angel of death behind.
• Sirra~
• Slig ~ Livestock animal, hybrid of a large slug and a pig, bioengineered by the Bene Tleilax; To many the tender meat is a delicacy, though most consider the animal itself detestful.
• Slip-tip
• Solido ~ Three-dimensional image generated from a solido projector using 360-degree reference signals imprinted on a shigawire reel.
• Snooper, poison
• Solari
• Sondagi
• Soo-soo sook!
• Soostone ~ Valuable iridescent gem produced on Buzzell by the abraded carapaces of monoped sea creatures called Cholisters, much in the manner of pearls on Old Earth.
• Spacing Guild ~ Powerful organization which ad a monopoly on space travel and transport due to their Navigators.
• Spice
• Spice agony ~ Fremen version of the ritual used by the Bene Gesserit to create Reverend Mothers, using the Water of Life instead of melange.
• Spice beer ~
• Spicebisquit ~
• Spiceblow ~
• Spicebread ~
• Spice cloth ~
• Spice coffee ~
• Spice crawler ~
• Spice driver~
• Spice fabrics ~
• Spice factory~
• Spice-fiber ~
• Spice hamper ~
• Spice hunter ~
• Spice lamo ~
• Spice liquor ~
• Spice Melange ~ Drug that was essential to space travel and extended life, and therefore to the survival of the universe.
• Spice oil ~
• Spice paper ~
• Spice plastic ~
• Spice essence ~ Water of Life that has been changed to non-toxic form by Reverend Mother.
• Spice scout ~
• Spice tau ~
• Spice trance ~
• Splintered Rock~
• Spotter control~
• Star Jewels~
• Steersman ~ Title given to Guild Navigators.
• Stillsuit ~ Body-enclosing garment of Fremen design which performed the functions of heat dissipation and filtering bodily wastes, as well as retaining and reclaiming moisture.
• Stilltent~
• Stolen Journals ~
• Stone burner ~ Atomic weapon, the explosion and radiation of which could be precisely adjusted depending on the desired effect.
• Stunner~
• Stun-grenade~
• Stunclub~
• Sub-Bashar~
• Subakh ul kuhar?~
• Subakh un nar?~
• Sufi ~ Ancient Religious sect. Thought to be long lost but still survive in the form of part of the Great Belief.
• Suk Inner School ~ Prestigious medical school whose Imperial Conditioning banned the taking of human life; initiates were marked by a diamond tattoo on the forehead and wore a silver Suk ring in their hair.
• Suks ~
• Suk paper~
• Sukkar ~ most likely a place-name on Arrakis.
• Suspensor ~ Any of a number of 'hovering' devices which utilized the secondary (low-drain) phase of a Holtzman field generator to nullify gravity within certain limits prescribed by relative mass and energy consumption.
• suspensorborne pallets

T

• Tabrite ~
• Tabur~
• Tahaddi al-burhan~an ultimate test from which there can be no appeal (usually because it brings death or destruction).
• Tahaddi challenge~a Fremen challenge to mortal combat, usually over some primal issue, such as the desire for another man's wife, or if honour was insulted, or if leadership was challenged.
• Taif ~among the Fremen on Arrakis, a company of men held together by mutual self-interest.
• Tanzerouft ~
• Taquiyya~ the practice of concealing the identity when revealing it might be harmful.Known among the Fremen as "Ketman".
• Taqwa ~ "Freedom". Stilgar tells Lady Jessica "'What could the Harkonnens give us? Our freedom? Hah! No, you are the taqwa, that which buys us more than all the spice in the Harkonnen coffers.'"
• Tau~
• Tau ceremony ~ see:Spice orgy
• T-Probe ~ Device used to capture the thoughts of a person (living or dead) for analysis; unlike an Ixian probe it could not be blocked by the substance shere.
• Tachyon net (or tachyon web) ~ Technology (involving faster-than-light tachyon particles) used by Daniel and Marty in their attempt to track and capture the no-ship Ithaca.
• Temple Guards ~
• Temple priests ~
• Test-mashad~
• Thinking Machines ~ Intelligent and sentient machines, created by humans, who enslaved much of humanity and eventually incited the Butlerian Jihad.
• Thorse~
• Thumper ~ Short stake with a spring-driven clapper at one end, placed in the sand to 'call' sandworms.
• Tidal dust basin~
• Titan ~ One of several ancient dictators whose brains were transplanted into fearsome, weaponized machine bodies to achieve immortality.

Tleilax

• Tleilaxu Vat ~
• Torquemada~
• Tunyon vine~
• Tuono ~
• Training
• Training male (Bene Gesserit) ~ Males, conditioned by Bene Gesserit to perform sexual acts without expression of their feeling, used to train Bene Gesserit acolytes in sexual training.
• Troop carrier~
• Trooper, house~
• Truthsayer ~ Bene Gesserit Reverend Mother trained to detect insincerity or falsehood. Naturally, anyone can be Truthsayer.
• Truthtrance~
• Tube-lift ~
• Tupile~
• T-P~

U

• Ulema~a doctor of theology in Zensunni religion
• Umma ~ One of the brotherhood of prophets; a term of scorn in the Corrino Imperium, meaning any "wild" person given to fanatical prediction.
• Uroshnor~the most common autosuggestive cue word implanted by the Bene Gesserit,"itself empty of meaning, but which, when spoken, triggered a state of immobilization
• Usul~a Fremen word meaning "the strength of the base of the pillar"

V

• Varota~
• Verite ~ Will-destroying narcotic from Ecaz that rendered a person incapable of falsehood.
• Voice ~ Training that allowed the Bene Gesserit to control others merely by selected tone shadings of the voice.

W

• Wadquiyas ~if one could force or convince a stranger or enemy to drink of his blood, he became Wadquiyaswith the tribe: joined to them as one of their own, and safe from having his water taken unless he offended the tribe. Because of this custom, no Fremen would ever attempt to wound an enemy in a fight by biting, no matter how a certain victory would grant to him).
• Wali ~ the name the Fremen give to an untried youth.
• Wallach IX~
• Wallport ~
• War of Assassins ~ Regulated form of conflict between noble Houses.
• Warrior-troubadour ~
• Water Agony ~
• Water burden~
• Watercounter~
• Water discipline~
• Water of Life ~ Toxic liquid exhalation of a drowning sandworm, used by Fremen Reverend Mothers in the spice agony.
• water-death~
• Waterman~
• Watermaster ~
• Water ring ~ Metal rings wore by Fremen women to indicate their household's possessed water.
• Water trap ~
• Water tube~
• Wawi or Vahi- one cRd in the Dune Tarot.A man and woman

stand hand-in-hand looking toward a rising Moon. They symbolize Two-in- One.

• Way, bene gesserit~
• Weather control~
• Weather scanner~
• Weirding~
• Weirding Way ~ Specialized martial art component of Bene Gesserit prana-bindu practices.
• Wekht of Jandola -
• Welbeck Abridgment~
• Windowplaz (or plaz) ~ Synthetic glass, used for windows (especially in aircraft and spaceships) due to its superior strength.
• Wind Pass ~
• Wind trap ~ A Facility used on Arrakis to trap moisture from the air, usually conceal in the warren rock.
• wrist seal ~

X

• Xuttah~

Y

• Yaghist -
• Yali ~ A Fremen's personal quarters within the sietch.
• Ya Hya Chouhada ~ A rallying cry for the Fremen troops - "long live the fighters!"
• Ya!Ya!Yawm!
• Yellow of mourning ~

Z

• Zabulon ~
• Zanadiq ~ a fremen curse
• Zarr Sadus ~
• Ze'eb ~ the wolf, as in theproverb "to know the difference between
• Zensunni ~ Ancient religious sect, ancestors of the Fremen.
• Zensunni codex ~
• Zombie-katrundo ~

See

• Unique Names and terms from the Dune Role Playing Game

References:

• A Dune Companion: Characters, Places and Terms in Frank Herbert's Original Six Novels by Donald E. Palumbo
• "Terminology of the Imperium",glossary contained in the novel Dune by Frank Herbert
• The Dune Encyclopedia by Willis E. McNelly and other contributors 
• - Cave of birds - terminology