12-letter words containing a, i, t, o
- afro-british — of or relating to British people of African descent
- afrocentrism — centered on Africa or on African-derived cultures, as those of Brazil, Cuba, and Haiti: Afrocentric art.
- agalmatolite — a soft, greenish, greyish or yellowish mineral, thought to be a variety of pinite, known particularly for its use by the Chinese for carving
- agamogenetic — Of or pertaining to agamogenesis.
- agathodaimon — a spirit of good fortune, associated with the serpent
- agglutinogen — an antigen that reacts with or stimulates the formation of a specific agglutinin
- aggravations — Plural form of aggravation.
- aggregations — Plural form of aggregation.
- aggrupations — Plural form of aggrupation.
- agnostically — a person who holds that the existence of the ultimate cause, as God, and the essential nature of things are unknown and unknowable, or that human knowledge is limited to experience. Synonyms: disbeliever, nonbeliever, unbeliever; doubter, skeptic, secularist, empiricist; heathen, heretic, infidel, pagan.
- agriproducts — Plural form of agriproduct.
- agroindustry — an activity combining agriculture and industry
- aiming point — the point at which a gun or bombsight is aimed in order to strike a desired target, often a point in advance of or behind the actual target.
- airbrush out — to remove evidence of (someone or something from photographs, books, or history)
- airport code — a three-letter abbreviation of the names of the world's major airports, used especially as an identifier for routing baggage.
- alcaptonuria — Alternative spelling of alkaptonuria.
- alcoholicity — the strength of an alcoholic liquor
- aldolization — the conversion of an aldehyde to aldol
- algesiometer — an instrument for determining the sensitiveness of the skin to a painful stimulus.
- alimentation — sustenance; support
- alkalization — Alkalinization.
- alkaptonuria — excessive excretion of homogentisic acid in the urine, caused by a hereditary abnormality of the metabolism of tyrosine and phenylalanine.
- allegoristic — writing or using allegory; interpreting in an allegorical sense.
- allelopathic — relating to or characterized by allelopathy
- alliteration — Alliteration is the use in speech or writing of several words close together which all begin with the same letter or sound.
- alloantibody — an antibody that reacts with an antigen from a genetically different individual of the same species.
- allotropical — (chemistry, rare) Of or pertaining to an element that exhibits allotropy.
- allowability — The state of being allowable; legitimacy; permissibleness.
- alpha boötis — Arcturus
- alphitomancy — the use of barley meal as a means of divination.
- alstroemeria — any plant of the tuberous perennial liliaceous genus Alstroemeria, originally S American, grown for their brightly coloured orchid-like flowers
- altaltissimo — the apex of something
- altercations — Plural form of altercation.
- alternations — Plural form of alternation.
- altiloquence — Pompous language; lofty speech.
- altitudinous — pertaining to altitude or height
- alto-relievo — high relief
- alto-rilievo — alto-relievo
- amalgamation — the action or process of amalgamating
- ambidextrous — Someone who is ambidextrous can use both their right hand and their left hand equally skilfully.
- ambiposition — (linguistics) An adposition that can occur either before or after its complement.
- ambisextrous — Informal. sexually attracted to both sexes; bisexual. used by or suitable for either sex; unisex: ambisextrous hair styles.
- ambitionless — without ambition, unambitious
- ambrettolide — a colorless liquid, C 16 H 28 O 2 , having a strong musky odor, used as a fixative in the manufacture of perfume.
- ambulatories — Plural form of ambulatory.
- ambulatorily — By or in terms of walking.
- ameliorating — Present participle of ameliorate.
- amelioration — the act or an instance of ameliorating or the state of being ameliorated
- ameliorative — Able to repair or ameliorate.
- amelioratory — tending to ameliorate