17-letter words containing o, s, t, e, a
- attorneys-in-fact — a person authorized by power of attorney to act on the authorizer's behalf outside a court of law.
- attraction sphere — centrosphere (sense 1)
- audio description — a facility provided for visually impaired people in which a film, television programme, or play is described through audio technology
- aurea mediocritas — the golden mean.
- australopithecine — any of various extinct apelike primates of the genus Australopithecus and related genera, remains of which have been discovered in southern and E Africa. Some species are estimated to be over 4.5 million years old
- authoritativeness — having due authority; having the sanction or weight of authority: an authoritative opinion.
- automated testing — (testing) Software testing assisted with software tools that require no operator input, analysis, or evaluation.
- autonomous system — (networking, routing) (AS) A collection of routers under a single administrative authority, using a common Interior Gateway Protocol for routing packets.
- autosensitization — autoimmunization.
- auxiliary storage — secondary storage.
- axis of ordinates — y-axis (def 1).
- axis-of-ordinates — y-axis (def 1).
- babe in the woods — a baby or child.
- bachelor's button — any of several plants of a genus (Centaurea) of the composite family, that have scaly, vase-shaped bracts below the white, pink, or blue flowers; esp., the cornflower and knapweed
- bachelor's-button — any of various plants with round flower heads, especially the cornflower.
- back on the rails — If something is back on the rails, it is beginning to be successful again after a period when it almost failed.
- bacteriorhodopsin — a purple protein containing retinal and found in the plasma membrane of certain bacteria (genus Halobacterium): it directly supplies electrochemical energy from sunlight
- balance the books — do accounting
- barchester towers — a novel (1857) by Anthony Trollope.
- barrel distortion — distortion of an image produced by an optical system that causes straight lines at image margins to bulge outwards
- baseboard heating — a heating system by pipes, through which steam or hot water circulates, near the base of the walls of rooms
- beat a dead horse — to argue an issue that is already settled
- beat one's brains — to try hard to remember, understand, or solve something
- beat one's breast — to display guilt and remorse publicly or ostentatiously
- beefsteak begonia — an ornamental plant, Begonia erythrophylla, having light-pink flowers and nearly round, thick, fleshy leaves that are red on the underside.
- bell laboratories — One of AT&T's research sites, in Murray Hill, New Jersey, USA. It was the birthplace of the transistor, Unix, C and C++ and the current home of research on Plan 9 and ODE.
- benjamin-constant — Henri Benjamin [ahn-ree ban-zha-man] /ɑ̃ˈri bɛ̃ ʒaˈmɛ̃/ (Show IPA), (Benjamin Constant) 1767–1830, French statesman and author, born in Switzerland.
- bent out of shape — very angry, upset, or agitated
- betagalactosidase — any of a family of enzymes capable of liberating galactose from carbohydrates.
- binet-simon scale — a test comprising questions and tasks, used to determine the mental age of subjects, usually children
- bjarne stroustrup — (person) The father of C++ and author of the C++ bible.
- black forest cake — a torte consisting typically of thin layers of chocolate cake spread with alternating layers of chocolate, cherry, and whipped-cream filling and covered with whipped cream
- black-box testing — functional testing
- blank endorsement — an endorsement on a bill of exchange, cheque, etc, naming no payee and thus making the endorsed sum payable to the bearer
- blue sky software — eHelp Corporation
- bluegrass country — region in central Ky. where there is much bluegrass
- board of estimate — a special organ of a municipal government, as of New York City, composed of the mayor, the president of the city council, and the controller, and charged with approving the city's budget and fiscal matters.
- board of trustees — a governing board which directs the policies of an educational institution
- boothia peninsula — a peninsula of N Canada: the northernmost part of the mainland of North America, lying west of the Gulf of Boothia, an arm of the Arctic Ocean
- boots and saddles — a bugle call formerly used in the US Cavalry to summon soldiers to mount
- bore-stroke ratio — The bore-stroke ratio is the ratio of bore to stroke. A ratio of 1:1 is referred to informally as square.
- bottlebrush grass — a North American grass, Hystrix patula, having loose flower spikes with long awns.
- branch delay slot — delayed control-transfer
- break one's heart — to grieve or cause to grieve very deeply, esp through love
- british cameroons — a former British trust territory of West Africa
- british-cameroons — German Kamerun. a region in W Africa: a German protectorate 1884–1919; divided in 1919 into British and French mandates.
- broadview heights — a town in N Ohio.
- brocot escapement — a type of anchor escapement.
- bronze star medal — a U.S. military decoration awarded for heroic or meritorious achievement or service in combat not involving aerial flight
- buncher resonator — See under Klystron.