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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...

pine nut

(Encyclopedia)pine nut or piñon pĭnˈyən, pēˈnyōn [key], edible seed of various species of pine trees. Among the North American species that bear such edible seeds are the nut pines or piñons, Pinus edulis a...

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...

caviar

(Encyclopedia)caviar or caviare kăvˈēär [key], the roe (eggs) of various species of sturgeon prepared as a piquant table delicacy. The ovaries of the fish are beaten to loosen the eggs, which are then freed fro...

Cayuse

(Encyclopedia)Cayuse kīyo͞osˈ [key], Native North Americans who formerly occupied parts of NE Oregon and SE Washington. They were closely associated with the Nez Percé and spoke a language belonging to the Saha...

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...

postmodernism

(Encyclopedia)postmodernism, term used to designate a multitude of trends—in the arts, philosophy, religion, technology, and many other areas—that come after and deviate from the many 20th-cent. movements that ...

pigmentation

(Encyclopedia)pigmentation, name for the coloring matter found in certain plant and animal cells and for the color produced thereby. Pigmentation occurs in nearly all living organisms. Almost all plants synthesize ...

Newhouse, Samuel Irving

(Encyclopedia)Newhouse, Samuel Irving, 1895–1979, American newspaper and magazine publisher, b. New York City as Solomon Neuhaus, known generally as Sam. From 1922 to the 1970s, his Advance Publications acquired ...