11-letter words containing a, i, r, h
- argyllshire — (until 1975) a county of W Scotland, part of Strathclyde region (1975–96), now part of Argyll and Bute
- aristarchus — a crater in the NE quadrant of the moon, having a diameter of about 37 kilometres, which is the brightest formation on the moon
- arith-matic — (language) An extension of Grace Hopper's A-2 programming language, developed in about 1955. ARITH-MATIC was originally known as A-3, but was renamed by the marketing department of Remington Rand UNIVAC.
- arithmetics — Plural form of arithmetic.
- arkadelphia — a city in central Arkansas.
- aroint thee — away! begone!
- arrhythmias — Plural form of arrhythmia.
- arsonphobia — Pyrophobia.
- art history — study of art through the ages
- arthralgias — Plural form of arthralgia.
- arthritical — Also, arthritical. of, relating to, or afflicted with arthritis.
- arthritides — (medicine) Plural form of arthritis.
- arthrodesis — the fusion of bones in a joint through surgery which causes immobility of the joint
- artisanship — the occupation or product of a craftsperson or artisan
- artophorion — pyx (def 1a).
- ashlar line — a horizontal line, indicated at a building site with a taut string, that corresponds to the exterior surface plane of a masonry wall.
- aspheterise — to deny the right of private property
- aspheterism — the teaching that all property should be in common ownership and no individual should benefit from personal possession
- aspheterize — to observe or engage in aspheterism
- asphyxiator — to produce asphyxia in.
- astraphobia — a fear of thunder and lightning
- astrophobia — A fear of stars and celestial space.
- atherogenic — causing atheroma
- athwartship — having a position across a vessel from side to side at right angles to the keel
- atmospheric — Atmospheric is used to describe something which relates to the Earth's atmosphere.
- auditorship — the position or function of auditor
- authorising — Present participle of authorise.
- authorities — the power to determine, adjudicate, or otherwise settle issues or disputes; jurisdiction; the right to control, command, or determine.
- authorizing — Present participle of authorize.
- autographic — of, for, or like an autograph or autographs
- automorphic — shaped and designed after oneself
- autotrophic — (of organisms such as green plants) capable of manufacturing complex organic nutritive compounds from simple inorganic sources such as carbon dioxide, water, and nitrates, using energy from the sun
- auxochromic — any radical or group of atoms that intensifies the color of a substance.
- auxotrophic — designating or of a mutant organism requiring more nutritional substances than its prototrophic parent because it has lost the ability to make a certain enzyme
- awash-river — a river in E Ethiopia, flowing NE through the Great Rift Valley to near the Djibouti border. 500 miles (805 km) long.
- azimuth bar — a device used in measuring azimuths, consisting of a bar with a sighting vane at each end,pivoted at its center, and rotating in a horizontal plane around the center of a compass.
- azores high — a subtropical high centered near the Azores.
- bachelorism — bachelorhood
- bahia grass — a grass, Paspalum notatum, of tropical America, grown in the southern United States for lawns and pasturage.
- bar mitzvah — A bar mitzvah is a ceremony that takes place on the thirteenth birthday of a Jewish boy, after which he is regarded as an adult.
- bar-hopping — Informal. to go to a succession of bars or nightclubs, with a brief stay at each.
- baranavichy — a city in W central Belarus, SW of Minsk.
- baranovichi — a city in W central Belarus, SW of Minsk.
- baresthesia — the sense or perception of pressure.
- barographic — Measured using a barograph.
- barthianism — the theological doctrines and principles of Karl Barth and his followers, especially in reference to neoorthodoxy.
- baryshnikov — Mikhail. born 1948, Soviet-born ballet dancer, who defected (1974) to the West while on tour with the Kirov Ballet: director (1980–90) of the American Ballet Theatre
- bath oliver — a kind of unsweetened biscuit
- bathymetric — Of, pertaining to, or derived from bathymetry.
- batrachians — Plural form of batrachian.