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20-letter words containing s, t, a, l

  • balanced three-phase — A balanced three-phase voltage or current is one in which the size of each phase is the same, and the phase angles of the three phases differ from each other by 120 degrees.
  • ballistic trajectory — the path of an unpowered object, as a missile, moving only under the influence of gravity and possibly atmospheric friction and with its surface providing no significant lift to alter the course of flight.
  • basal metabolic rate — the rate at which heat is produced by the body at rest, 12 to 14 hours after eating, measured in kilocalories per square metre of body surface per hour
  • 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
  • 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.
  • bigmouth buffalofish — a buffalofish, Ictiobus cyprinellus, found in central North America, characterized by a large mouth.
  • bimodal distribution — a frequency distribution with two modes
  • biological diversity — Biological diversity is the same as biodiversity.
  • blast-furnace cement — a type of cement made from a blend of ordinary Portland cement and crushed slag from a blast furnace. It has lower setting properties than ordinary Portland cement
  • 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".
  • bomb disposal expert — an expert in bomb disposal
  • 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.
  • break the glass plan — a plan that is put into operation in an emergency when all other options have been exhausted
  • 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.
  • bristly sarsaparilla — a coarse plant, Aralia hispida, of the ginseng family, of eastern North America, having a loose cluster of small, greenish flowers and black fruit.
  • 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.
  • buck's horn plantain — a Eurasian plant, Plantago coronopus, having leaves resembling a buck's horn: family Plantaginaceae
  • butterfly-shell clam — coquina.
  • by/from all accounts — If you say that something is true by all accounts or from all accounts, you believe it is true because other people say so.
  • caesar and cleopatra — a comedy (1898) by G. B. Shaw.
  • calcium metasilicate — a white powder, CaSiO 3 , insoluble in water, used as an antacid and as a filler for paper.
  • call-by-value-result — An argument passing convention where the actual argument is a variable V whose value is copied to a local variable L inside the called function or procedure. If the procedure modifies L, these changes will not affect V, which may also be in scope inside the procedure, until the procedure returns when the final value of L is copied to V. Under call-by-reference changes to L would affect V immediately. Used, for example, by BBC BASIC V on the Acorn Archimedes.
  • can do sth blindfold — If you say that you can do something blindfold, you are emphasizing that you can do it easily, for example because you have done it many times before.
  • cancel a reservation — If you cancel a reservation, you stop it because someone who has booked a room has informed you that they no longer wish to stay there.
  • canine leptospirosis — an often fatal intestinal disease in dogs, caused by any of several spirochetes of the genus Leptospira.
  • capacitive crosstalk — Capacitive crosstalk is a situation in which a signal on one line can cause a smaller version of the same signal on an adjacent line because of the capacitance between the lines.
  • capital transactions — the flow of money and assets
  • capital transfer tax — (in Britain) a tax payable from 1974 to 1986 at progressive rates on the cumulative total of gifts of money or property made during the donor's lifetime or after his death. It was replaced by inheritance tax
  • cassegrain telescope — an astronomical reflecting telescope in which incident light is reflected from a large concave paraboloid mirror onto a smaller convex hyperboloid mirror and then back through a hole in the concave mirror to form the image
  • cast a pall over sth — If something unpleasant casts a pall over an event or occasion, it makes it less enjoyable than it should be.
  • cat's-tail speedwell — a widely cultivated Eurasian plant, Veronica spicata, of the figwort family, having blue flowers in long, spikelike clusters.
  • catastrophic failure — Catastrophic failure is sudden and complete failure which cannot be put right.
  • catastrophic illness — A catastrophic illness is a major health event that takes place during a particular period of time, such as a heart attack, stroke, or cancer.
  • cavalleria rusticana — an opera (1890) by Pietro Mascagni.
  • celestial navigation — navigation by observation of the positions of the stars
  • cellular respiration — the oxidation of organic compounds that occurs within cells, producing energy for cellular processes.
  • cellulose triacetate — a triacetic ester of cellulose characterized by its resistance to most solvents, used chiefly in the manufacture of textile fibers.
  • central bedfordshire — a unitary authority of S central England. Pop: 252 100 (2007 est). Area: 712 sq km (275 sq miles)
  • centrifugal spinning — the spinning of rayon filaments in a centrifugal box.
  • channel service unit — (communications)   (CSU) A type of interface used to connect a terminal or computer to a digital medium in the same way that a modem is used for connection to an analogue medium. A CSU is provided by the communication carrier to customers who wish to use their own equipment to retime and regenerate the incoming signals. The customer must supply all of the transmit logic, receive logic and timing recovery in order to use the CSU, whereas a digital service unit DSU performs these functions.
  • chemical sensitivity — an allergic sensitivity to particular chemicals in air, food, clothing, water, etc.
  • chemolithoautotrophs — Plural form of chemolithoautotroph.
  • child support agency — the British government agency concerned with the welfare of children
  • child-abuse register — (in Britain) a list of children deemed to be at risk of abuse or injury from their parents or guardians, compiled and held by a local authority, area health authority, or NSPCC Special Unit
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