10-letter words containing a, c, o, i
- aprication — the act of sunbathing or basking in the sun
- aquaphobic — abnormally afraid of water
- 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.
- arachnoids — Plural form of arachnoid.
- aragonitic — relating to aragonite
- 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.
- archegonia — the female reproductive organ in ferns, mosses, etc.
- archeozoic — early Precambrian; Archean
- archipenko — Aleksandr Porfiryevich (alɪkˈsandr parˈfirjɪvitʃ). 1887– 1964, Russian sculptor and painter, in the US after 1923, whose work is characterized by economy of form
- archivolts — Plural form of archivolt.
- arcimboldi — Giuseppe [juh-sep-ee;; Italian joo-zep-pe] /dʒəˈsɛp i;; Italian dʒuˈzɛp pɛ/ (Show IPA), 1527–93, Italian painter.
- arcimboldo — Giuseppe. 1527–93, Italian painter, best remembered for painting grotesque figures composed of fruit, vegetables, and meat
- arcosolium — (in Roman catacombs) an arched recess for a sarcophagus.
- arctic fox — a fox, Alopex lagopus, of arctic regions, whose fur is dark grey in the summer and white in the winter
- arctophile — a person who collects teddy bears or is fond of them
- arctophily — the practice of collecting teddy bears
- arefaction — the act of drying, or a dried condition
- aristocrat — An aristocrat is someone whose family has a high social rank, especially someone who has a title.
- aromatical — (rare) aromatic.
- arricciato — arriccio.
- artichokes — Plural form of artichoke.
- arvicoline — inhabiting meadows or rural areas
- 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
- ascosporic — relating to an ascospore
- ascription — the act of ascribing
- assertoric — (of a statement) stating a fact, as opposed to expressing an evaluative judgment
- associable — that can be associated or connected in the mind
- associated — If one thing is associated with another, the two things are connected with each other.
- associates — Plural form of associate.
- associator — A person who associates with something.
- astriction — to bind fast; constrain.
- astrionics — the science dealing with the application of electronics to astronautics.
- astrocytic — relating to astrocytes or star-shaped neuroglial cells
- astronomic — of, relating to, or connected with astronomy.
- asymptotic — of or referring to an asymptote
- atomic age — the period characterized by the use of atomic energy: regarded as beginning with the creation of the first self-sustaining nuclear chain reaction on December 2, 1942
- atomically — of, pertaining to, resulting from, or using atoms, atomic energy, or atomic bombs: an atomic explosion.
- atrocities — acts of extreme cruelty, esp against prisoners or civilians in wartime
- atrocity's — the quality or state of being atrocious.
- attic room — a room in the attic of a house
- attraction — An attraction is a feature which makes something interesting or desirable.
- auctionary — of or relating to auctions or auctioneers
- auctioneer — An auctioneer is a person in charge of an auction.
- auctioning — Present participle of auction.
- audio disc — an act of recording.