10-letter words containing o, s, t, r
- allegorist — a person who writes allegories
- alligators — either of two broad-snouted crocodilians of the genus Alligator, of the southeastern U.S. and eastern China.
- allografts — Plural form of allograft.
- allosteric — of, relating to, or designating a function of an enzyme in which the structure and activity of the enzyme are modified by the binding of a metabolic molecule
- allotropes — Plural form of allotrope.
- altostrati — Plural form of altostratus.
- amatorious — amatorial
- amersfoort — a town in the central Netherlands, in E Utrecht province. Pop: 131 000 (2003 est)
- amortising — Present participle of amortise.
- anarthrous — having no joints or articulated limbs
- anastrophe — reversal of the usual order of the parts of a sentence; inversion (Ex.: “Came the dawn”)
- anatropous — (of a plant ovule) inverted during development by a bending of the stalk (funicle) attaching it to the carpel wall
- anchorites — Plural form of anchorite.
- anisotropy — Physics. of unequal physical properties along different axes. Compare isotropic (def 1).
- anoestrous — anestrous.
- anorectics — Plural form of anorectic.
- antecessor — a predecessor; someone who goes or has gone before
- anti-story — a narrative of short-story length that makes no effort to follow a plot and ignores structural conventions, character motivations, and the like.
- antiheroes — Plural form of antihero.
- antismoker — a person opposed to tobacco smoking
- antrostomy — (surgery) Incision and drainage of the antrum.
- apatosaurs — Plural form of apatosaur.
- aphoristic — of, relating to, or resembling an aphorism
- apostrophe — An apostrophe is the mark ' when it is written to indicate that one or more letters have been left out of a word, as in 'isn't' and 'we'll'. It is also added to nouns to form possessives, as in 'Mike's car'.
- apostrophy — Alternative form of apostrophe.
- apotropous — (of a plant ovule) anatrophous with a ventral raphe
- appointers — Plural form of appointer.
- appointors — Plural form of appointor.
- apportions — Third-person singular simple present indicative form of apportion.
- aquafortis — concentrated nitric acid, used for etching
- araeostyle — having an intercolumniation of four diameters.
- arboretums — Plural form of arboretum.
- archivolts — Plural form of archivolt.
- argenteous — silvery.
- ariovistus — flourished c71–58 b.c, Germanic leader of the Suevi.
- aristocrat — An aristocrat is someone whose family has a high social rank, especially someone who has a title.
- aristology — the art of eating
- aristotype — a process of photographic printing in which paper coated with silver chloride in gelatin is used.
- arrowsmith — a novel (1925) by Sinclair Lewis.
- arse about — to play the fool; act stupidly, esp in an irritating manner
- arsenolite — a mineral, arsenic trioxide, As 2 O 3 , occurring usually as a white incrustation on arsenical ores.
- art school — tertiary level college for students of art
- arterioles — Plural form of arteriole.
- arthropods — any invertebrate of the phylum Arthropoda, having a segmented body, jointed limbs, and usually a chitinous shell that undergoes moltings, including the insects, spiders and other arachnids, crustaceans, and myriapods.
- artichokes — Plural form of artichoke.
- artocarpus — a genus of the mulberry family, originating in Asia, species of which include the jackfruit and the breadfruit
- arytenoids — Plural form of arytenoid.
- ascorbates — Plural form of ascorbate.
- ascription — the act of ascribing
- ask for it — to put a question to; inquire of: I asked him but he didn't answer.