10-letter words containing o, s, i
- apishamore — A saddle-blanket, a saddle blanket.
- apoapsides — Plural form of apoapsis.
- apolaustic — concerned with or dedicated to enjoyment
- apologised — to offer an apology or excuse for some fault, insult, failure, or injury: He apologized for accusing her falsely.
- apologiser — Agent noun of apologise; one who apologises.
- apologises — Third-person singular simple present indicative form of apologise.
- apologists — Plural form of apologist.
- apologizes — to offer an apology or excuse for some fault, insult, failure, or injury: He apologized for accusing her falsely.
- aposematic — (of the coloration of certain distasteful or poisonous animals) characterized by bright conspicuous markings, which predators recognize and learn to avoid; warning
- apostatise — Alternative spelling of apostatize.
- apostatize — to forsake or abandon one's belief, faith, or allegiance
- apostilled — Simple past tense and past participle of apostille.
- apostolise — to preach
- apostolize — to proclaim
- apotheosis — If something is the apotheosis of something else, it is an ideal or typical example of it.
- appointees — a person who is appointed.
- appointers — Plural form of appointer.
- appointors — Plural form of appointor.
- apportions — Third-person singular simple present indicative form of apportion.
- appositely — In an apposite manner.
- apposition — If two noun groups referring to the same person or thing are in apposition, one is placed immediately after the other, with no conjunction joining them, as in 'Her father, Nigel, left home three months ago.'
- appositive — standing in apposition
- aquafortis — concentrated nitric acid, used for etching
- aquaponics — a farming system that circulates wastewater from animal aquaculture to hydroponically cultivated plants, whereby the plants draw nutrients from the waste and filter the water, allowing for its recycled use by the aquatic animals.
- aquaporins — Plural form of aquaporin.
- aquiferous — conveying, containing or yielding water
- arachnoids — Plural form of arachnoid.
- arc cosine — Trigonometry. the angle, measured in radians, that has a cosine equal to a given number. Symbol: cos −1. Abbreviation: arc cos;
- archbishop — In the Roman Catholic, Orthodox, and Anglican Churches, an archbishop is a bishop of the highest rank, who is in charge of all the bishops and priests in a particular country or region.
- archivolts — Plural form of archivolt.
- arcosolium — (in Roman catacombs) an arched recess for a sarcophagus.
- areligious — unconcerned with or indifferent to religious matters.
- 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.
- armadillos — Plural form of armadillo.
- armigerous — of, having, or entitled to have a coat of arms
- arrowsmith — a novel (1925) by Sinclair Lewis.
- arsenolite — a mineral, arsenic trioxide, As 2 O 3 , occurring usually as a white incrustation on arsenical ores.
- arterioles — Plural form of arteriole.
- artichokes — Plural form of artichoke.
- arytenoids — Plural form of arytenoid.
- asafoetida — a bitter resin with an unpleasant onion-like smell, obtained from the roots of some umbelliferous plants of the genus Ferula: formerly used as a carminative, antispasmodic, and expectorant
- asbestosis — inflammation of the lungs resulting from chronic inhalation of asbestos particles
- ascaridole — a liquid, C 10 H 16 O 2 , constituting the active principle of chenopodium oil, used chiefly as a catalyst in polymerization reactions.
- ascensions — Plural form of ascension.
- ascigerous — of or relating to asci.
- ascocarpic — relating to an ascocarp
- ascogonium — a female reproductive body in some ascomycetous fungi in which, after fertilization, the asci develop