10-letter words containing o, m, a
- armor-clad — covered with armor
- armorially — in an armorial manner
- armourless — having no armour
- army corps — a military formation that comprises two or more divisions and additional support arms
- army group — the largest operational formation of military land forces, normally comprising two or more armies or army corps under a designated commander.
- aromatical — (rare) aromatic.
- aromatized — Simple past tense and past participle of aromatize.
- arrow arum — a North American plant, Peltandra virginica, of wet areas, having large, arrow-shaped leaves and inconspicuous flowers enclosed in a narrow, pointed spathe.
- arrowsmith — a novel (1925) by Sinclair Lewis.
- arthrogram — an x-ray photograph produced by arthrography.
- arthromere — any of the segments of the body of an arthropod
- arthrotome — (surgery) A strong scalpel used in the dissection of joints.
- arthrotomy — (medicine) The surgical incision of a joint.
- as one man — with unanimous action or response
- ascogonium — a female reproductive body in some ascomycetous fungi in which, after fertilization, the asci develop
- ascomycete — any fungus of the phylum Ascomycota (formerly class Ascomycetes) in which the spores (ascospores) are formed inside a club-shaped cell (ascus). The group includes yeast, penicillium, aspergillus, truffles, and certain mildews
- asia minor — large peninsula in W Asia, between the Black Sea and the Mediterranean, including Asiatic Turkey west of an undefined line from the Gulf of Iskenderun to the Black Sea
- aside from — Aside from means the same as apart from. This form is more usual in American English.
- assoilment — the state or act of forgiveness or deliverance from transgression or denunciation
- assortment — An assortment is a group of similar things that are of different sizes or colours or have different qualities.
- assumption — If you make an assumption that something is true or will happen, you accept that it is true or will happen, often without any real proof.
- astomatous — (of animals) having no mouth
- astrobleme — a mark on the earth's surface, usually circular, formed by a large ancient meteorite impact
- astrodomes — Plural form of astrodome.
- astromancy — divination by means of the stars.
- astrometry — the branch of astronomy concerned with the measurement of the position and motion of celestial bodies
- astronomer — An astronomer is a scientist who studies the stars, planets, and other natural objects in space.
- astronomic — of, relating to, or connected with astronomy.
- asymptotes — Plural form of asymptote.
- asymptotic — of or referring to an asymptote
- asystolism — the indications or symptoms which are representative of asystole
- at home in — familiar or conversant with
- atheromata — Plural form of atheroma.
- atmologist — a person who studies or is expert in atmology or the study of aqueous vapour
- atmosphere — A planet's atmosphere is the layer of air or other gases around it.
- 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.
- atomweight — (martial arts, combat sports) the weightclass below strawweight of less than 105lbs.
- attic room — a room in the attic of a house
- attonement — Misspelling of atonement.
- attornment — (feudal legal) The consent of a tenant to the transfer of his relationship to his landlord to another person.
- audiograms — Plural form of audiogram.
- audiometer — an instrument for testing the intensity and frequency range of sound that is capable of detection by the human ear
- audiometry — the testing of hearing by means of an audiometer.
- auditorium — An auditorium is the part of a theatre or concert hall where the audience sits.
- aureomycin — chlortetracycline
- ausforming — a treatment to strengthen hard steels, prior to quenching, in which the specimen is plastically deformed while it is in the austenite temperature range
- autochrome — a material once used for color photography, consisting of a photographic emulsion applied over a multicolored screen of minute starch grains dyed red, green, and blue-violet.
- autoformat — Lb transitive To cause the layout of (a document) to be created or edited without further effort by the execution of a program.
- autogamous — Botany. pollination of the ovules of a flower by its own pollen; self-fertilization (opposed to allogamy).