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hemolysis

(Encyclopedia) hemolysishemolysishĭmŏlˈĭsĭs [key], destruction of red blood cells in the bloodstream. Although new red blood cells, or erythrocytes, are continuously created and old ones destroyed,…

power, in physics

(Encyclopedia) power, in physics, time rate of doing work or of producing or expending energy. The unit of power based on the English units of measurement is the horsepower, devised for describing…

pitot static system

(Encyclopedia) pitot static systempitot static systempētōˈ [key], device for measuring the rate at which a fluid flows. Among the principal applications of the device are an airspeed indicator for…

snakebite

(Encyclopedia) snakebite, wound inflicted by the teeth of a snake. The bite of a nonvenomous snake is rarely serious. Venomous snakes have fangs, hollow teeth through which poison is injected into a…

Ephron, Nora Louise

(Encyclopedia) Ephron, Nora Louise, 1941–2012, American writer and film director, grad. Wellesley College (B.A., 1962). Witty, tough, self-deprecating, and ironic in all her guises, she was a…

guinea pig

(Encyclopedia) guinea pigguinea piggĭnˈē [key], domesticated form of the cavy, Cavia porcellus, a South American rodent. It is unrelated to the pig; the name may refer to its shrill squeal. Guinea…

Labor and Employment

Find statistics on employment, worker benefits, minimum wage rates, weekly earnings, and more. Layoff Statistics 50 Highest Metropolitan Areas in 2006: Number of Extended Mass Layoff…

atropine

(Encyclopedia) atropineatropineătˈrəpēn, –pĭn [key], alkaloid drug derived from belladonna and other plants of the family Solanaceae (nightshade family). Available either as the tincture or extract…

Asian carp

(Encyclopedia) Asian carp, term for several large, hardy freshwater fish of the family Cyprinidae (the minnow family) that are native to E Asia and have become invasive species in the United States.…

lie detector

(Encyclopedia) lie detector, instrument designed to record bodily changes resulting from the telling of a lie. Cesare Lombroso, in 1895, was the first to utilize such an instrument, but it was not…