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recombination

(Encyclopedia) recombination, process of “shuffling” of genes by which new combinations can be generated. In recombination through sexual reproduction, the offspring's complete set of genes differs…

Archimedes

(Encyclopedia) ArchimedesArchimedesärkĭmēˈdēz [key], 287–212 b.c., Greek mathematician, physicist, and inventor. He is famous for his work in geometry (on the circle, sphere, cylinder, and parabola…

Antarctic Peninsula

(Encyclopedia) Antarctic Peninsula, glaciated mountain region of W Antarctica, extending c.1,200 mi (1,930 km) N toward South America. In the south, volcanic peaks rise to c.11,000 ft (3,350 m);…

Ottawa, indigenous people of North America

(Encyclopedia) OttawaOttawaŏtˈəwə [key] or OdawaOdawaōdäˈwə [key], Native Americans whose language belongs to the Algonquian branch of the Algonquian-Wakashan linguistic stock (see Native American…

vapor pressure

(Encyclopedia) vapor pressure, pressure exerted by a vapor that is in equilibrium with its liquid. A liquid standing in a sealed beaker is actually a dynamic system: some molecules of the liquid are…

arch

(Encyclopedia) CE5 Arches arch, the spanning of a wall opening by means of separate units (such as bricks or stone blocks) assembled into an upward curve that maintains its shape and stability…

motet

(Encyclopedia) motetmotetmōtĕtˈ [key], name for the outstanding type of musical composition of the 13th cent. and for a different type that originated in the Renaissance. The 13th-century motet, a…

Memphis, city, United States

(Encyclopedia) MemphisMemphismĕmˈfĭs [key], city (1990 pop. 610,337), seat of Shelby co., SW Tenn., on the Fourth, or Lower, Chickasaw Bluff above the Mississippi, at the mouth of the Wolf River; inc…

golden parachute

(Encyclopedia) golden parachute, a contract given to top executives of a corporation to provide benefits in case of job loss due to a takeover by another firm or a merger. The unusually generous…

Kain

(Encyclopedia) KainKainkān [key], another word for Kenites.