20-letter words containing a, b, n, o, r
- a drop in the bucket — an amount very small in relation to what is needed or desired
- abetalipoproteinemia — a rare inherited disorder of fat metabolism due to an inability to synthesize certain apolipoproteins necessary for the transport of triglycerides, leading to diarrhea, steatorrhea, and failure to thrive.
- absolute convergence — the property of an infinite series in which the series formed by replacing each term in the original series with its absolute value converges. Compare conditional convergence.
- absolute undertaking — a legally binding promise to do something that is not restricted or qualified in any way
- abstract of accounts — a published condensed summary of a company or organization's annual accounts
- accommodation bureau — a business that finds accommodation for its clients
- acetylmethylcarbinol — acetoin.
- africanized honeybee — killer bee.
- algebraic expression — a symbol or a combination of symbols used in algebra, containing one or more numbers, variables, and arithmetic operations: how to solve algebraic expressions.
- aluminum borohydride — a volatile liquid, Al(BH 4) 3 , that ignites spontaneously in air and reacts vigorously with water to form hydrogen, used chiefly in organic synthesis.
- ambulatory care unit — a part of hospital where treatment is given to non-resident patients
- amelia jenks bloomer — Amelia Jenks [jengks] /dʒɛŋks/ (Show IPA), 1818–94, U.S. social reformer and women's-rights leader.
- american globeflower — a plant, Trollius laxus, of the buttercup family, of the northeastern and Great Lakes coastal areas of the U.S., having solitary, yellowish-green flowers.
- american labor party — a U.S. political party (1936–56) organized in New York City to gain independent political status for the labor and liberal factions of the Democratic Party.
- ammonium bicarbonate — a white, crystalline, water-soluble solid, NH 4 HCO 3 , used chiefly in the manufacture of baking powder.
- animal liberationist — a person who campaigns for animal rights, often by using direct action
- antifriction bearing — a roller bearing or ball bearing.
- arbitration tribunal — a tribunal set up to settle a dispute by arbitration
- architectural bronze — a brass alloy of about 57 percent copper, 41 percent zinc, and 2 percent lead.
- automobile insurance — Automobile insurance is insurance coverage for cars.
- baccalaureate sermon — a farewell sermon addressed to a graduating class in some U.S. colleges and schools.
- back the wrong horse — to bet on a horse that loses the race
- background radiation — low-intensity radiation from, for example, small amounts of radioisotopes in soil, air, building materials, etc
- backward and forward — If someone or something moves backward and forward, they move repeatedly first in one direction and then in the opposite direction.
- basal cell carcinoma — a common and usually curable skin cancer that arises from epithelial cells and rarely metastasizes: often associated with overexposure to sunlight.
- basic encoding rules — (protocol, standard) (BER) ASN.1 encoding rules for producing self-identifying and self-delimiting transfer syntax for data structures described in ASN.1 notations. BER is an self-identifying and self-delimiting encoding scheme, which means that each data value can be identified, extracted and decoded individually. Huw Rogers once described BER as "a triumph of bloated theory over clean implementation". He also criticises it as designed around bitstreams with arbitrary boundaries between data which can only be determined at a high level. Documents: ITU-T X.690, ISO 8825-1. See also CER, DER, PER.
- basic lead carbonate — ceruse.
- basic oxygen process — a process for refining steel in which oxygen is blown into the molten iron
- bats-wing coral-tree — a small tree, Erythrina verspertilio, of tropical and subtropical Australia with red flowers and leaves shaped like the wings of a bat
- be in the market for — to wish to buy or acquire
- be someone's funeral — to be someone's problem, worry, etc. and not another's
- beat around the bush — to talk around a subject without getting to the point
- beaverhead mountains — a mountain range on the border of E Idaho and SW Montana, in the Bitterroot Range. 10,961 feet (3343 meters).
- been-there done-that — an exclamation expressing familiarity and boredom with a situation, experience, etc
- beggar-your-neighbor — a children's card game for two, played with 52 cards, that is won when a player captures all of the cards.
- belgian shepherd dog — a medium-sized well-proportioned dog of a breed that resembles an Alsatian in appearance and is often used as a sheepdog or a guard dog
- benoit b. mandelbrot — Benoit Mandelbrot
- benzene hexachloride — a compound, C6H6Cl6, used as an insecticide
- benztropine mesylate — a synthetic anticholinergic, C 21 H 25 NO⋅CH 4 O 3 S, used in the treatment of Parkinson's disease.
- benzyl isoamyl ether — a colorless liquid, C 12 H 18 O, used in soap perfumes.
- bernard of clairvaux — Saint. ?1090–1153, French abbot and theologian, who founded the stricter branch of the Cistercians in 1115
- bernese mountain dog — a strong sturdy dog of a breed with a bushy tail and a long silky black coat with reddish-brown and white markings, often used as a working farm dog
- bimodal distribution — a frequency distribution with two modes
- binary coded decimal — (data) (BCD, packed decimal) A number representation where a number is expressed as a sequence of decimal digits and then each decimal digit is encoded as a four-bit binary number (a nibble). E.g. decimal 92 would be encoded as the eight-bit sequence 1001 0010. In some cases, the right-most nibble contains the sign (positive or negative). It is easier to convert decimal numbers to and from BCD than binary and, though BCD is often converted to binary for arithmetic processing, it is possible to build hardware that operates directly on BCD.
- binary-coded decimal — a number in binary code written in groups of four bits, each group representing one digit of the corresponding decimal number
- bird-footed dinosaur — theropod.
- blue ridge mountains — a mountain range in the eastern US, extending from West Virginia into Georgia: part of the Appalachian mountains. Highest peak: Mount Mitchell, 2038 m (6684 ft)
- blue screen of death — (humour) (BSOD) The infamous white-on-blue text screen which appears when Microsoft Windows crashes. BSOD is mostly seen on the 16-bit systems such as Windows 3.1, but also on Windows 95 and apparently even under Windows NT 4. It is most likely to be caused by a GPF, although Windows 95 can do it if you've removed a required CD-ROM from the drive. It is often impossible to recover cleanly from a BSOD. The acronym BSOD is sometimes used as a verb, e.g. "Windoze just keeps BSODing on me today".
- bobbin and fly frame — a roving machine used in the final stages of converting spun cotton fiber into yarn.
- bolometric magnitude — the magnitude of a star derived either from the total energy that it radiates at all wavelengths or from the total energy of those of its wavelengths that are received on earth.
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