12-Letter Words Starting With A and Ending With T

Explore 145 matching words, including abgeschmackt, abiogenesist, abolitionist, abortificant, accelerostat.

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All 145 Matching Words

abgeschmacktOutrageous; tasteless.abiogenesistA proponent of abiogenesis.abolitionistIn favor of the abolition of any particular institution or practice.abortificantSynonym of abortifacient.accelerostat(biochemistry) A continuous culture in which, after reaching a steady state as in a chemostat, dilution rate is increased smoothly at a constant rate of acceleration.accompanyistAlternative spelling of accompanist.accordionistSomeone who plays the accordion.accouchementDelivery in childbed; parturitionaccouplement(rare) The act of coupling, or the state of being coupled; unionaccoutermentAmerican spelling of accoutrement.accoutrement(military, chiefly in the plural) A soldier's equipment, other than weapons and uniform.accreditmentThe process of becoming accredited.accroachment(obsolete) An encroachment; usurpation.acephalocyst(zoology) A larval entozoön in the form of a subglobular or oval vesicle, or hydatid, filled with fluid, sometimes found in the tissues of man and the lower animals; -- so called from the absence of a head or visible organs on the vesicle. These cysts are the immature stages of certain tapeworms. Also applied to similar cysts of different origin.acolutholectSynonym of satellect.acridologistAn expert in acridologyactinologistA student of actinology; one versed in the science of actinology.administrantAdministratingadmonishmentThe act of admonishing.adularescentExhibiting adularescence.advauncementObsolete form of advancement.adverbialistAn advocate of adverbialismaerodynamistA person who studies aerodynamics.aerotolerant(biology, of an anaerobic micro-organism) Able to tolerate the presence of air (specifically oxygen).aestheticistA proponent of aestheticism.affamishment(obsolete) starvation or great hungerafforciamentObsolete form of afforcement.afforestmentThe process of afforesting.affrightment(obsolete) The action of frightening or terrifying; intimidation.aflouncementAlternative spelling of afflouncement.aforethought(postpositive) Premeditated; planned ahead of time.afrofuturistAlternative letter-case form of Afrofuturist.afterconductAlternative form of after-conduct.aftercurrentAn electric current that is induced in a muscle when a constant current through it stopsafterthoughtA reflection after an act; a later or subsequent thought, action, or expedient.aggressivistOne who practises or defends aggressivism.aggrievementThe state of being aggrieved.agitationistSynonym of agitator (“one who stirs up or excites others, for example political reformers”).agnotologistAn expert in agnotology.agritainment(US) The promotion of farms as places to visit for entertainment (e.g. tractor rides, corn mazes).airworthiestsuperlative form of airworthy: most airworthyakreophagist(obsolete) A non-flesh-eater, a person who does not eat meat.alcohologistOne who studies alcohology.alderliefest(archaic or obsolete) Often used as an epithet when addressing someone: most beloved.alderlievestAlternative form of alderliefest.aleatoricistAn artist who uses aleatoricism in the creation of art.algaeologistOne who studies algaeology.algorithmistOne who studies algorithms.alienologistsomeone who studies aliensaltrakinceptA human recombinant protein.amatorculist(formal, obsolete) An insignificant lover.amollishment(rare) Softening; mollification; appeasing; mitigation.amortizementThe act or process of amortizing.anaesthetist(British spelling) Alternative spelling of anesthetist; an anaesthesiologist.anecdotalistOne who recounts anecdotes, or uses them instead of experimental evidence in a field of study.angelologistA person involved in angelology.anhydrobiont(biology) Any organism that lives in an environment with nearly no wateranimalculist(historical) A believer in the theory that the embryo exists preformed within the spermatozoon; a proponent of animalculism.announcementAn act of announcing, or giving notice.anopsologistThe proponent of anopsology.anteriormost(anatomy) Nearest the front or head.anthropoglotAn animal (such as a parrot) with tongue similar to humans allowing human-like speech.antiactivistOpposing activism.antiagregantMisspelling of antiaggregant.antiaircraftAlternative spelling of anti-aircraft.antialarmistOpposing or countering alarmism.anticatalystAny substance that inhibits the activity of a catalyst.anticataractPreventing or countering cataracts.anticentristAlternative spelling of anti-centrist.anticoherent(physics, of waves etc) Having the same wavelength and phase but the opposite directionanticolonistSynonym of anticolonialist.anticonflictOpposing or counteracting conflict.anticonquestOpposing a conquest; regarding the indigenous inhabitants of a colonised country as victims rather than foes of the colonisers.antidecuplet(physics) A proposed grouping of light pentaquarksantidemocratOne who opposes democracy.antidetonantAn antiknock or antidetonation substance.antidiscountOpposing or prohibiting discounts.antidominant(mathematics) Having the property that all mappings yield a value no smaller than itself.antifeministAntagonistic to feminism.antihedonistOne who opposes hedonism.antihumanist(ethics) Opposing humanismantijihadistOpposing jihadism.antimilitantOpposing militants.antimoniuret(chemistry, obsolete) An antimonide.antimoralistOne who opposes moralism.antimotoristOne who opposes the use of motor vehicles.antimovementA social or political movement that opposes something specific.antinatalist(philosophy, sociology) A supporter of antinatalism.antinativist(politics) Opposing nativism.antinauseant(pharmacology) Any drug that counteracts nausea.antinihilist(philosophy) One who opposes nihilism.antinovelist(literature) A writer of antinovels.antinutrient(biochemistry) Any substance that interferes with the absorption or metabolism of a nutrientantiopiumist(historical) One who opposes the use of the drug opium.antioptimistOne who rejects optimism.antipacifistOpposing pacifism.antipapalistSynonym of antipapist.antiplatelet(immunology) Working against or destroying blood platelets.antipopulist(politics) One who opposes populism.antiresonant(physics) Of, pertaining to, or exhibiting antiresonanceantirightist(historical) A member of the Anti-Rightist Movement, a Chinese movement of the late 1950s involving a series of campaigns to purge alleged "rightists" (those intellectuals who appeared to favour capitalism and were against collectivization) within the Communist Party of China and abroad.antiroyalistOne who opposes royals or royalism.antistraightOpposing heterosexuality.antitwilightSynonym of antitwilight arch (“atmospheric phenomenon”).antiunionistOne who opposes trade unions.antivitalistOne who opposes vitalism.apartheidist(sociopolitics) A proponent of apartheidaphidologistOne who studies aphidology.apocalyptistOne who predicts an apocalypse.apothecaristSynonym of apothecary.appraisement(dated) The act of appraising.approachment(archaic) approachappurtenauntObsolete form of appurtenant.araneologistOne who studies spiders.arcanologistOne who studies arcanology.arccotangent(trigonometry) An inverse of the cotangent function. Symbol: arccotarcheologist(chiefly US) Alternative spelling of archaeologist.architouristA tourist whose primary activity involves seeing buildings and other architectural works.aristologista person who studies aristologyarpeggionistSomeone who plays the arpeggione.ascensionistOne who carries out ascents, such as a balloonist or mountaineer.assemblagist(art) One who constructs assemblages (a form of 3D collage).astacologistOne who practices astacology.astonishmentThe feeling or experience of being astonished; great surprise.astrochemistA chemist or astronomer whose speciality is astrochemistry.astrometristOne who practices astrometry.astroproject(colloquial) to space out, to become unaware of one's immediate surroundingsastrotouristA space tourist.atchievement(heraldry) Alternative spelling of achievement.atrichoblastA root epidermal cell that does not produce a root hairattempermentObsolete form of attemperament.audiometristA technician who carries out audiometry.autecologistOne who studies autecology.authenticistOf, pertaining to, or espousing authenticism, a belief in the superiority of the authentic over the inauthentic.autoabstract(computing) An abstract (abridgement or summary of a publication) generated automatically by a computer.autoadjuvant(immunology) A substance that enhances the immune response to an antigen produced by the same organismautocatalystAny catalyst that participates in autocatalysis.autocoherent(physiology, of neurons) self-coherentautodestruct(intransitive, chiefly science fiction) To destroy itself by design (as of a mechanical system).autographistOne who collects or authenticates autographs.automobilist(archaic) The driver of an automobile.autoportraitA self-portrait.autotolerant(immunology) That exhibits autotoleranceavantgardistAlternative form of avant-gardist.aviculturistA person who keeps and rears (breeds) birds.