15-letter words containing a, u, r, l
- antituberculous — (medicine) Acting to combat or counteract tuberculosis.
- apollo computer — (company) A company making workstations often used for CAD. From 1980 to 1987, Apollo were the largest manufacturer of network workstations. Apollo workstations ran Aegis, a proprietary operating system with a Posix-compliant Unix alternative frontend. Apollo's networking was particularly elegant, among the first to allow demand paging over the network, and allowing a degree of network transparency and low sysadmin-to-machine ratio that is still unmatched. Apollo's largest customers were Mentor Graphics (electronic design), GM, Ford, Chrysler, and Boeing (mechanical design). Apollo was acquired by Hewlett-Packard in 1989, and gradually closed down over the period 1990-1997.
- appeal tribunal — An appeal tribunal is a special court or committee that is formed to reconsider a decision made by another court or committee.
- appellate court — In the United States, an appellate court is a special court where people who have been convicted of a crime can appeal against their conviction.
- appendicularian — of or relating to a family of molluscs (Appendicularia) characterized by their long tail appendages
- arabic numerals — the figures 1, 2, 3, 4, 5, 6, 7, 8, 9, and the 0 (zero) that originated in India; Hindu-Arabic numerals
- architecturally — of or relating to architecture: architectural metals.
- argumentatively — fond of or given to argument and dispute; disputatious; contentious: The law students were an unusually argumentative group.
- argyll and bute — a council area in W Scotland on the Atlantic Ocean: in 1975 the historical counties of Argyllshire and Bute became part of Strathclyde region; in 1996 they were reinstated as a single unitary authority. Argyll and Bute is mountainous and includes the islands of Bute, Mull, Islay, and Jura. Administrative centre: Lochgilphead. Pop: 91 300 (2003 est). Area: 6930 sq km (2676 sq miles)
- arrivals lounge — a waiting area for people meeting passengers
- artificial turf — any of various synthetic, carpetlike materials made to resemble turf and used as a playing surface for football and baseball fields, to cover patios, etc.
- astronautically — In an astronautic way.
- at full stretch — If you are at full stretch, your arm is straight and extended as far as possible, usually because you are trying to reach something that is almost too far away.
- atrabiliousness — The state or quality of being characterized by melancholy or glumness.
- 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
- authoritatively — having due authority; having the sanction or weight of authority: an authoritative opinion.
- autocorrelation — the condition occurring when successive items in a series are correlated so that their covariance is not zero and they are not independent
- autocorrelative — Relating to autocorrelation.
- autofluorescent — Of, pertaining to, or exhibiting autofluorescence.
- autolithography — a lithographic technique by which the artist draws or traces with a brush and pen directly on a stone or plate.
- automatic rifle — a type of light machine gun capable of firing automatically or in single shots.
- automorphically — in an automorphic manner
- autotetraploidy — the generation of the tetraploid state, created by the fusing of two nuclei from the same species
- autotransplants — Plural form of autotransplant.
- autotrophically — through an autotrophic process
- auxiliary rotor — the tail rotor of a helicopter, used for directional and rotary control
- balanced rudder — a rudder so designed that the center of water pressure on the forward face, when turned, lies about halfway along the length, minimizing the turning effort required.
- ballpark figure — approximate number
- banana republic — Small, poor countries that are politically unstable are sometimes referred to as banana republics.
- bangtail muster — a roundup of cattle to be counted, each one having the hairs on its tail docked as it is counted
- barium chloride — a poisonous compound, BaCl2, consisting of flat white crystals that are soluble in water: it is used to treat water, metals, leather, etc.
- barium sulphate — a white insoluble fine dense powder, used as a pigment, as a filler for paper, rubber, etc, and in barium meals. Formula: BaSO4
- bathurst island — an island off the coast of N Nunavut, Canada, in the Arctic Archipelago: present south of the North Magnetic Pole nearby. 7609 sq. mi. (19,707 sq. km).
- bear animalcule — tardigrade (def 3).
- bearded vulture — lammergeier
- benzyl butyrate — a liquid, C 11 H 14 O 2 , having a fruitlike odor, used as a plasticizer and in flavoring.
- bernoulli trial — one of a sequence of independent experiments each of which has the same probability of success, such as successive throws of a die, the outcome of which is described by a binomial distribution
- biblia pauperum — any of the picture books illustrating Biblical events and usually containing a short text, used chiefly in the Middle Ages for purposes of religious instruction.
- black horehound — a hairy unpleasant-smelling chiefly Mediterranean plant, Ballota nigra, having clusters of purple flowers: family Lamiaceae (labiates)
- blackberry bush — a bush on which blackberries grow
- blockade runner — a person, ship etc that tries to carry goods through a blockade
- blockade-runner — a ship or person that passes through a blockade.
- blue wood aster — a composite plant, Aster cordifolius, of North America, having heart-shaped leaves and pale-blue flowers.
- blue-eyed grass — any of various mainly North American iridaceous marsh plants of the genus Sisyrinchium that have grasslike leaves and small flat starlike blue flowers
- bluegrass state — Kentucky (used as a nickname).
- brachial plexus — a network of nerves in the armpits and neck, innervating the shoulders, arms, and hands.