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adaptation
(Encyclopedia) adaptation, in biology, has several meanings. It can mean the adjustment of living matter to environmental conditions and to other living things either in an organism's lifetime (…air-cushion vehicle
(Encyclopedia) CE5 Air-cushion vehicle: In vehicles modified with a trunk or skirt (A), the rate of leakage is reduced and less power is needed to maintain the cushion. Vehicles designed to travel…Niagara Falls, waterfall, United States and Canada
(Encyclopedia) Niagara Falls, in the Niagara River, W N.Y. and S Ont., Canada; one of the most famous spectacles in North America. The falls are on the international line between the cities of…grease
(Encyclopedia) grease, mixture of lubricant and thickener. It is used to reduce friction between surfaces from which oils would leak away or cause damage by dripping, or where lubrication must be…Chesapeake Bay retriever
(Encyclopedia) Chesapeake Bay retriever, breed of large sporting dog developed in the United States. It stands about 24 in. (61 cm) high at the shoulder and weighs about 65 lb (29.5 kg). Its thick,…latex
(Encyclopedia) latex, emulsion of a polymer (e.g., rubber) in water (see colloid). Natural latexes are produced by a number of plants, are usually white in color, and often contain, in addition to…Fischer-Tropsch process
(Encyclopedia) Fischer-Tropsch processFischer-Tropsch processfĭshˈər-trōpsh [key], method for the synthesis of hydrocarbons and other aliphatic compounds. Synthesis gas, a mixture of hydrogen and…West Highland white terrier
(Encyclopedia) West Highland white terrier, breed of sturdy, compact terrier developed in Scotland in the early 19th cent. It stands about 11 in. (27.9 cm) high at the shoulder and weighs from 13 to…Trinity , river, United States
(Encyclopedia) Trinity, river rising in N Texas in three forks; the Clear Fork runs into the West Fork at Fort Worth, and the Elm Fork joins the West Fork at Dallas. The Trinity then flows c.510 mi (…Campbell, Donald Malcolm
(Encyclopedia) Campbell, Donald Malcolm, 1921–67, British automobile and boat racer. The son of Sir Malcolm Campbell, from whom he inherited his passion for assaulting speed records and his…Trending
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