15-letter words containing ra
- antibureaucracy — Opposed to bureaucracy.
- anticlinal trap — An anticlinal trap is a structural trap which is closed by an anticline (= an arch-shaped fold in rock, in which rock layers are upwardly convex).
- antifederalists — Plural form of antifederalist.
- antilock brakes — brakes fitted to some road vehicles that prevent skidding and improve control by sensing and compensating for overbraking
- antiperspirants — Plural form of antiperspirant.
- antipornography — opposed to or acting against pornography
- antirationalism — the opposition to rationalism
- antirationalist — opposed to rationalism
- antirationality — the opposition to rationality
- antiremonstrant — the party that opposed the Remonstrants
- antiretrovirals — Plural form of antiretroviral.
- antitraditional — opposed to or acting with disregard for tradition
- antitranspirant — any substance that decreases transpiration and, usually, photosynthesis
- aphrodite terra — a large plateau region that stretches approximately halfway around the middle latitude of Venus.
- approval rating — approval of a politician as shown by opinion polls
- arabian jasmine — a climbing shrub, Jasminum sambac, of India, having hairy branches and very fragrant white flowers that turn purple with age, used in making jasmine tea; sampaguita.
- arabic numerals — the figures 1, 2, 3, 4, 5, 6, 7, 8, 9, and the 0 (zero) that originated in India; Hindu-Arabic numerals
- arbitration bar — a bar of cast iron used as a sample for the batch to which it belongs.
- architecturally — of or relating to architecture: architectural metals.
- arrangement fee — a fee charged by a bank, building society, etc for setting up a loan
- array processor — (processor) (Or "vector processor") A computer, or extension to its arithmetic unit, that is capable of performing simultaneous computations on elements of an array or table of data in some number of dimensions. The IBM AltiVec (the "Velocity Engine" used in the Apple G4 computers) is a vector processor. Common uses for array processors include analysis of fluid dynamics and rotation of 3d objects, as well as data retrieval, in which elements of a database are scanned simultaneously. Array processors are very rare now (1998).
- arts and crafts — decorative handicraft and design, esp that of the Arts and Crafts movement, in late nineteenth-century Britain, which sought to revive medieval craftsmanship
- asiatic cholera — cholera (def 1).
- astrophotograph — a photograph of the heavenly bodies
- atrabiliousness — The state or quality of being characterized by melancholy or glumness.
- audience rating — a figure based on statistical sampling indicating what proportion of the total listening and viewing audience tune in to a specific programme or network
- auditor general — (in Canada) a federal official responsible for auditing government departments and making an annual report
- aurora borealis — the aurora seen around the North Pole
- australian alps — a mountain range in SE Australia, in E Victoria and SE New South Wales. Highest peak: Mount Kosciuszko, 2195 m (7316 ft)
- australian mist — a breed of medium-sized cat with a short spotted or marbled coat
- australian pine — casuarina
- autobiographers — Plural form of autobiographer.
- autobiographies — Plural form of autobiography.
- autolithography — a lithographic technique by which the artist draws or traces with a brush and pen directly on a stone or plate.
- autoradiographs — Plural form of autoradiograph.
- autoradiography — the technique or process of making autoradiographs.
- autotetraploidy — the generation of the tetraploid state, created by the fusing of two nuclei from the same species
- autotransformer — a transformer in which part of the winding is common to both primary and secondary circuits
- autotransfusion — a process in which a patient receives some of his or her own blood in a transfusion rather than a donor's blood
- autotransplants — Plural form of autotransplant.
- average revenue — the total receipts from sales divided by the number of units sold, frequently employed in price theory in conjunction with marginal revenue.
- back-scratching — a reciprocal exchange of favors, aid, or compliments
- balloon barrage — a series of moored balloons, usually strung together and hung with cables, for impeding a low-level attack by enemy aircraft.
- barium stearate — a white, crystalline, water-insoluble solid, Ba(C 18 H 35 O 2) 2 , used chiefly as a waterproofing agent and as a lubricant.
- barothermograph — an automatic instrument for recording pressure and temperature.
- barracks lawyer — a member of the armed forces who speaks or acts like an authority on military law, regulations, and the rights of service personnel.
- barrage balloon — Barrage balloons are large balloons which are fixed to the ground by strong steel cables. They are used in wartime, when the cables are intended to destroy low-flying enemy aircraft.
- barrancabermeja — a city in N Colombia.
- bathythermogram — a record made by a bathythermograph.
- batting average — in baseball, a figure expressing the average batting efficiency of a player or team, figured by dividing the number of base hits by the number of official at-bats