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20-letter words containing r, i, l, n

  • arbitration tribunal — a tribunal set up to settle a dispute by arbitration
  • arches national park — a national park in E Utah: natural arch formations. 114 sq. mi. (295 sq. km).
  • architectural bronze — a brass alloy of about 57 percent copper, 41 percent zinc, and 2 percent lead.
  • artificial harmonics — harmonics of a note produced on a stringed instrument by lightly touching a stopped sounded string.
  • artificial selection — a process in the breeding of animals and in the cultivation of plants by which the breeder chooses to perpetuate only those forms having certain desirable inheritable characteristics.
  • asexual reproduction — reproduction, as budding, fission, or spore formation, not involving the union of gametes.
  • astatic galvanometer — a galvanometer that is unaffected by the earth's magnetic field and is used for measuring small currents.
  • australian rye grass — a European grass, Lolium multiflorum, naturalized in North America, having flowering spikes and used as a winter turf.
  • automobile insurance — Automobile insurance is insurance coverage for cars.
  • auxiliary power unit — an additional engine fitted to an aircraft to operate when the main engines are not in use
  • ballet-wrap cardigan — a cardigan with wrapover fronts which are fastened with wraparound ties
  • 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.
  • 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
  • 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
  • belgorod-dnestrovski — a port in SW Ukraine, on the Dniester estuary: belonged to Romania from 1918 until 1940; under Soviet rule (1944–91). Pop: 48 100 (2004 est)
  • 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
  • best-efforts selling — a method of underwriting a security whereby a syndicate takes a new issue without any guarantees of sale to the issuer.
  • 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
  • blackburnian warbler — a black-and-white North American wood warbler, Dendroica fusca, having an orange throat and an orange and black head.
  • blending inheritance — the blending of characteristics of the parents in the offspring, as in a pink flower that results from the mating of a red flower with a white one
  • bloodless revolution — the events of 1688–89 by which James II was expelled and the sovereignty conferred on William and Mary.
  • 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)
  • 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.
  • bone mineral density — a measurement of the amount of calcium and other minerals in a segment of bone, a higher mineral content indicating a higher bone density and strength, used to detect osteoporosis or monitor its treatment.
  • boulogne billancourt — a suburb of Paris, in N France.
  • boulogne-billancourt — an industrial suburb of SW Paris. Pop: 106 367 (1999)
  • bouvier des flandres — any of a breed of large, strong dog with a rough, wiry coat and pointed, erect ears
  • bowling on the green — lawn bowling.
  • bowling-on-the-green — a game played with wooden balls on a level, closely mowed green having a slight bias, the object being to roll one's ball as near as possible to a smaller white ball at the other end of the green. Also called bowls, bowling on the green. Compare bowl2 (def 2), bowling green, jack1 (def 7), rink (def 5).
  • brachiocephalic vein — either of two major veins, formed by the merger of the subclavian and internal jugular veins, that drain blood from the head and arms.
  • brazilian bikini wax — the act or instance of removing all or almost all of a woman's pubic hair for cosmetic reasons
  • breakerless ignition — electronic ignition.
  • breakfast television — Breakfast television refers to television programmes which are broadcast in the morning at the time when most people are having breakfast.
  • bring into the world — (of a midwife, doctor, etc) to deliver (a baby)
  • british thermal unit — a unit of heat in the fps system equal to the quantity of heat required to raise the temperature of 1 pound of water by 1°F. 1 British thermal unit is equivalent to 1055.06 joules or 251.997 calories
  • brittle bone disease — bone disorder
  • broadcast journalism — journalism as practiced in radio and television.
  • brown lung (disease) — a chronic disease of the lungs caused by inhalation of fine textile fibers, esp. cotton; byssinosis
  • brown recluse spider — a very poisonous, medium-sized spider (Loxosceles reclusa), common in the U.S., having a violin-shaped mark on its cephalothorax and only six eyes
  • buck's horn plantain — a Eurasian plant, Plantago coronopus, having leaves resembling a buck's horn: family Plantaginaceae
  • buckminsterfullerene — a form of carbon that contains molecules having 60 carbon atoms arranged at the vertices of a polyhedron with hexagonal and pentagonal faces. It is produced in carbon arcs and occurs naturally in small amounts in certain minerals
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