12-letter words containing s, t, a, u
- amentiferous — bearing aments
- amphistomous — (of certain animals, such as leeches) having a sucker at either end of the body
- amphitropous — (of a plant ovule) partially inverted so that the base and the micropyle at the apex are the same distance from the funicle
- anastasius i — a.d. c430–518, emperor of the Eastern Roman Empire 491–518.
- aneurysmatic — (medicine) Describing a blood vessel that has an aneurysm; aneurysmal.
- angiostomous — having a narrow opening
- angularities — Plural form of angularity.
- animalculist — a person who subscribes to the theory of animalculism
- annunciators — Plural form of annunciator.
- anotherguess — of a different type or kind; different
- antependiums — Plural form of antependium.
- anthocarpous — resembling or pertaining to an anthocarp
- anthophagous — That feeds on flowers.
- anthophilous — (esp of insects) frequenting flowers
- anti-judaism — the monotheistic religion of the Jews, having its ethical, ceremonial, and legal foundation in the precepts of the Old Testament and in the teachings and commentaries of the rabbis as found chiefly in the Talmud. Compare Conservative Jew, Orthodox Jew, Reform Jew.
- antibacchius — a metrical foot consisting of three syllables, of which the first two are long and the third is short
- antibarbarus — a list of words and sayings to be avoided in the classical usage of a language
- antibusiness — opposed to business interests, particularly those of large-scale corporations
- anticonsumer — opposed to consumerism
- antigonus ii — (Gonatus) c319–239 b.c, king of Macedonia 283–239 (son of Demetrius I).
- antihumanism — opposition to humanism
- antimosquito — acting against mosquitoes
- antineutrons — Plural form of antineutron.
- antinucleons — Plural form of antinucleon.
- antiochus iv — ?215–164 bc, Seleucid king of Syria (175–164), who attacked the Jews and provoked the revolt of the Maccabees
- antipetalous — standing before the petals of a plant
- antipleasure — opposed to pleasure
- antiquarians — Plural form of antiquarian.
- antique shop — a shop where antiques are sold
- antirrhinums — Plural form of antirrhinum.
- antisepalous — facing the sepals or calyx leaf
- antitussives — Plural form of antitussive.
- antoninianus — an ancient Roman coin made either of silver or bronze and equal in value to two denarii
- anxious seat — a bench near the preacher at revival meetings, for those with a troubled conscience who seek salvation
- anzus treaty — Australia, New Zealand, and the United States, especially as associated in the mutual defense treaty (ANZUS Pact or ANZUS Treaty) of 1952.
- apfelstrudel — apple strudel
- apiculturist — beekeeping, especially on a commercial scale for the sale of honey.
- aquaintances — Plural form of aquaintance.
- arbitrageurs — Plural form of arbitrageur.
- arc spectrum — a spectrum formed from the light produced by an electric arc, characteristic of the gas or vapor through which the arc passes.
- arch support — a rigid support placed inside a shoe so that its molded form fits the arch of the foot and relieves strain on the muscles of the foot while walking, standing, etc.
- arched truss — a truss having an archlike form but unlike a true arch in that it is free to move horizontally at its base, as in expanding or contracting because of temperature changes.
- arousability — to stimulate sexually.
- arseniureted — combined with arsenic
- arthur evans — Sir Arthur John, 1851–1941, English archaeologist.
- articulators — Plural form of articulator.
- arts council — an organization that provides funding for a variety of arts activities
- arts student — a person studying an arts subject
- ascomycetous — belonging or pertaining to the Ascomycota.
- assault boat — a portable boat used for landing troops on beaches and for crossing rivers.