10-letter words containing o, m, a, r
- antimodern — opposed to modern attitudes
- antireform — opposed to reform
- antismoker — a person opposed to tobacco smoking
- antitumour — preventing or acting against tumours
- antrostomy — (surgery) Incision and drainage of the antrum.
- apart from — You use apart from when you are making an exception to a general statement.
- apishamore — A saddle-blanket, a saddle blanket.
- apochromat — a lens, consisting of three or more elements of different types of glass, that is designed to bring light of three colours to the same focal point, thus reducing its chromatic aberration
- approximal — situated side by side; close together
- araeometer — a hydrometer
- araeometry — the science of estimating the specific gravity of fluids through the use of an araeometer
- arboretums — Plural form of arboretum.
- arboriform — Resembling a tree in shape or appearance.
- archemorus — Opheltes.
- archoplasm — the protoplasmic material surrounding the centrosome, formerly thought to be involved in the formation of the asters and spindle during mitosis
- 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.
- armadillos — Plural form of armadillo.
- armageddon — Armageddon is a terrible battle or war that some people think will lead to the total destruction of the world or the human race.
- armigerous — of, having, or entitled to have a coat of arms
- armipotent — strong in arms or war
- 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.
- 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.
- assortment — An assortment is a group of similar things that are of different sizes or colours or have different qualities.
- 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.
- atheromata — Plural form of atheroma.
- atmosphere — A planet's atmosphere is the layer of air or other gases around it.
- attic room — a room in the attic of a house
- 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