10-letter words containing o, a, s, t
- insolating — Present participle of insolate.
- insolation — solar radiation received at the earth's surface.
- insouciant — free from concern, worry, or anxiety; carefree; nonchalant.
- inspirator — An inspirer, one that inspires.
- instaneous — Misspelling of instantaneous.
- instead of — as a substitute or replacement; in the place or stead of someone or something: We ordered tea but were served coffee instead.
- instigator — to cause by incitement; foment: to instigate a quarrel.
- insulation — material used for insulating.
- insulators — Plural form of insulator.
- interposal — (dated) interposure.
- ionisation — Alternative spelling of ionization.
- ipso facto — by the fact itself; by the very nature of the deed: to be condemned ipso facto.
- irish boat — a small fishing boat used in the Boston area in the late 19th century, derived from an Irish model and having a cutter rig.
- ironmaster — the master of a foundry or ironworks; a manufacturer of iron.
- irrigators — Plural form of irrigator.
- isacoustic — of or relating to two sounds of equal intensity.
- iso rating — a classification of film speed in which a doubling of the ISO number represents a doubling in sensitivity; for example, ISO 400 film requires half the exposure of ISO 200 under the same conditions. The system uses identical numbers to the obsolete ASA rating
- isoantigen — (formerly) an alloantigen.
- isocyanate — a salt or ester of isocyanic acid.
- isoelastic — noting or pertaining to a substance or system exhibiting uniform elasticity throughout.
- isogametes — one of a pair of conjugating gametes, exhibiting no differences in form, size, structure, or sex.
- isoglottal — isoglossal
- isolatable — isolable.
- isolatedly — separated from other persons or things; alone; solitary.
- isolateral — Having similar upper and lower (or front and back) surfaces.
- isolations — Plural form of isolation.
- isostatics — Plural form of isostatic.
- isothermal — occurring at constant temperature.
- iterations — the act of repeating; a repetition.
- jabotinsky — Vladimir, 1880–1940, Russian Zionist leader in Palestine.
- jack frost — frost or freezing cold personified.
- jackstones — Plural form of jackstone.
- james otis — Elisha Graves, 1811–61, U.S. inventor.
- jamesonite — a metallic, dark-gray mineral, lead and iron antimony sulfide: formerly mined for lead.
- jockstraps — Plural form of jockstrap.
- jollyboats — Plural form of jollyboat.
- journalist — a person who practices the occupation or profession of journalism.
- just about — more or less
- juxtaposed — to place close together or side by side, especially for comparison or contrast.
- juxtaposes — Third-person singular simple present indicative form of juxtapose.
- karyotypes — Plural form of karyotype.
- katabolism — Alternative form of catabolism.
- katholikos — catholicos.
- keratinous — composed of or resembling keratin; horny.
- klinotaxis — a wavering side-to-side motion of the head occurring as an organism moves forward in response to a source of stimulation, caused by the alternating reaction of sensory receptors on either side of the body.
- kramatorsk — a city in E Ukraine, in the Donets Basin.
- kronshtadt — city & naval fortress on an island in NW Russia, on the Gulf of Finland: pop. 45,000
- l'hospital — Guillaume François Antoine de [gee-yohm frahn-swa ahn-twan duh] /giˈyoʊm frɑ̃ˈswa ɑ̃ˈtwan də/ (Show IPA), 1661–1704, French mathematician.
- laccoliths — Plural form of laccolith.
- lactoscope — an optical device for determining the amount of cream in milk.