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21-letter words containing l, b, t, r

  • northumberland strait — the part of the Gulf of St. Lawrence that separates Prince Edward Island from New Brunswick and Nova Scotia, in SE Canada. About 200 miles (320 km) long; 9–30 miles (15–48 km) wide.
  • not hold one's breath — If you say that you won't hold your breath, you mean that you do not expect something to happen even though someone has suggested that it might.
  • objective correlative — a completely depicted situation or chain of events that objectifies a particular emotion in such a way as to produce or evoke that emotion in the reader.
  • observation satellite — an unmanned satellite that observes the earth and gathers data
  • optical double (star) — double star (sense 2)
  • ortho-dichlorobenzene — a colorless liquid with a pleasant odor, C 6 H 4 Cl 2 , used as a solvent for a wide range of organic materials.
  • pipelined burst cache — Pipeline Burst Cache
  • poor robin's plantain — the rattlesnake weed, Hieracium venosum.
  • portable commodore 64 — (computer)   A version of the Commodore 64 modelled after the original Osborne portable PCs, with a flip-down keyboard that revealed a 5-inch colour monitor, and a built-in 1541 floppy disk drive. It is thought that few were made but that they did go on sale, at least in Canada.
  • portable common loops — (PCL) A language which started out as an implementation of CommonLoops and turned into a portable CLOS implementation. Version 1992-08-28. It runs under Lucid Common LISP 4.0.1 and CMU Common LISP 16e.
  • posterior probability — the probability assigned to some parameter or to an event on the basis of its observed frequency in a sample, and calculated from a prior probability by Bayes' theorem
  • private member's bill — In Britain, a Private Member's Bill is a law that is proposed by a Member of Parliament acting as an individual rather than as a member of his or her political party.
  • propantheline bromide — a substance, C 2 3 H 3 0 BrNO 3 , used in the treatment of peptic ulcers.
  • public address system — loudspeaker
  • public administration — the implementation of public policy, largely by the executive branch.
  • public health service — the agency that is responsible for the health of the general public
  • public transportation — means of fare-paying travel
  • public-address system — a combination of electronic devices that makes sound audible via loudspeakers to many people, as in an auditorium or out of doors.
  • public-key encryption — (cryptography)   (PKE, Or "public-key cryptography") An encryption scheme, introduced by Diffie and Hellman in 1976, where each person gets a pair of keys, called the public key and the private key. Each person's public key is published while the private key is kept secret. Messages are encrypted using the intended recipient's public key and can only be decrypted using his private key. This is often used in conjunction with a digital signature. The need for sender and receiver to share secret information (keys) via some secure channel is eliminated: all communications involve only public keys, and no private key is ever transmitted or shared. Public-key encryption can be used for authentication, confidentiality, integrity and non-repudiation. See also knapsack problem.
  • put sb in their place — If you put someone in their place, you show them that they are less important or clever than they think they are.
  • rayleigh distribution — (mathematics)   A curve that yields a good approximation to the actual labour curves on software projects.
  • real estate liability — Real estate liability is liability for risks that come from owning real estate.
  • reciprocal inhibition — the theory that the pairing of an anxiety-provoking stimulus with anxiety-reducing reactions will weaken the association between the stimulus and the anxiety.
  • rectangular hyperbola — a hyperbola with perpendicular asymptotes
  • rehabilitation centre — a centre or clinic where people with an alcohol or drug addiction are treated
  • relative permeability — the ratio of the permeability of a medium to that of free space
  • rob peter to pay paul — to take something from (someone) by unlawful force or threat of violence; steal from.
  • salam-weinberg theory — the electroweak theory.
  • sampling distribution — the distribution of a statistic based on all possible random samples that can be drawn from a given population.
  • san gabriel mountains — a mountain range in S California, N of Los Angeles. Highest peak, San Antonio Peak, 10,080 feet (3072 meters).
  • santa barbara islands — group of nine islands, & many islets, off the SW coast of Calif.
  • scarlet runner (bean) — a climbing bean plant (Phaseolus coccineus) of tropical America, having pods with large, edible, red-and-black seeds and usually having scarlet flowers: often grown in cold climates as an ornamental
  • single parent benefit — a form of government funded financial assistance paid to single parents
  • single spanish burton — a tackle having a runner as well as the fall supporting the load, giving a mechanical advantage of three, neglecting friction.
  • socialist labor party — a U.S. political party, organized in 1874, advocating the peaceful introduction of socialism.
  • space shuttle orbiter — orbiter (def 1).
  • splice the main brace — to join together or unite (two ropes or parts of a rope) by the interweaving of strands.
  • split-finger fastball — a type of fastball that sinks abruptly as it nears home plate, thrown with the grip used for a forkball
  • stabilization-process — the act or process of stabilizing or the state of being stabilized.
  • steer clear of sb/sth — If you steer clear of someone or something, you deliberately avoid them.
  • subliminal perception — perception of or reaction to a stimulus that occurs without awareness or consciousness
  • supplementary benefit — (formerly) an extra amount of money that is paid to someone by the government, in addition to their normal income. Replaced by income support in 1988
  • take sb/sth seriously — If you take someone or something seriously, you believe that they are important and deserve attention.
  • territoire de belfort — a department of E France, now in Franche-Comté region: the only part of Alsace remaining to France after 1871. Capital: Belfort. Pop: 139 383 (2003 est). Area: 608 sq km (237 sq miles)
  • tetrabromofluorescein — eosin (def 1).
  • the barber of seville — Italian Il barbiere di Siviglia. a comic opera (1816) by Gioacchino Rossini based on a comedy (1775) by Beaumarchais.
  • the battle of britain — from August to October 1940, the prolonged bombing of S England by the German Luftwaffe and the successful resistance by the RAF Fighter Command, which put an end to the German plan of invading Britain
  • the built environment — the buildings and all other things constructed by human beings
  • the lower vertebrates — relatively simple and primitive vertebrates
  • the rock of gibraltar — a limestone promontory at the tip of S Spain
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