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Kenyatta, Jomo

(Encyclopedia)Kenyatta, Jomo jōˈmō kĕnyäˈtə [key], 1893?–1978, African political leader, first president of Kenya (1964–78). A Kikuyu, he was one of the earliest and best-known African nationalist leader...

West, Nathanael

(Encyclopedia)West, Nathanael, 1903–40, American novelist, whose real name was Nathan Weinstein, b. New York City, grad. Brown Univ., 1924. An innovative, highly original author, West revealed the sterility and g...

Brownian movement

(Encyclopedia)Brownian movement or motion, zigzag, irregular motion exhibited by minute particles of matter when suspended in a fluid. The effect has been observed in all types of colloidal suspensions (see colloid...

bobolink

(Encyclopedia)bobolink bŏbˈəlĭngkˌ [key], common name in the N United States and Canada for an American songbird, Dolichonyx oryzivorus, related to the blackbird and the oriole, belonging to the family Icterid...

tempering

(Encyclopedia)tempering, process involving slow and moderate heating to increase the hardness and toughness of metals that have undergone previous heat treatment. Metals are usually hardened (see hardening) by bein...

Bell, Derrick Albert, Jr.

(Encyclopedia)Bell, Derrick Albert, Jr., 1930–2011, American lawyer, legal scholar, and educator, b. Pittsburgh, Pa., grad. Duquesne Univ. (A.B., 1952), Univ. of Pittsburgh Law School (LL.B., 1957). Known for his...

tree frog

(Encyclopedia)tree frog, name for any of the small tree- or shrub-inhabiting frogs of the family Hylidae, characterized by an adhesive disk on the tip of each of the clawlike toes. This family has about 300 species...

bee fly

(Encyclopedia)bee fly, name for the small- to medium-sized flies of the family Bombyliidae, many of which resemble bees in appearance and behavior. This mimicry provides bee flies with some measure of protection ag...

sandpiper

(Encyclopedia)sandpiper, common name for some members of the large family Scolopacidae, small shore birds, including the snipe and the curlew. Sandpipers are wading birds with relatively long legs and long, slender...