(Encyclopedia) vibration, in physics, commonly an oscillatory motion—a movement first in one direction and then back again in the opposite direction. It is exhibited, for example, by a swinging…
(Encyclopedia) trumpet, brass wind musical instrument of part cylindrical, part conical bore, in the shape of a flattened loop and having three piston valves to regulate the pitch. Its origin is…
(Encyclopedia) Riefenstahl, Leni (Berta Helene Amalie Riefenstahl)Riefenstahl, Lenilāˈnē rēˈfənshtälˌ, bĕrˈtə hālāˈnə ämälˈyə [key], 1902–2003, German filmmaker, b. Berlin. First a dancer, then an…
(Encyclopedia) Beattie, AnnBeattie, Annbēˈtē, bāˈ– [key], 1947–, American writer, b. Washington, D.C. She gained attention in the early 1970s with short stories in the New Yorker; the 48 stories she…
(Encyclopedia) Terkel, Studs, 1912–2008, American writer, social historian, and radio and television personality, b. the Bronx, N.Y., as Louis Terkel, grad. Univ. of Chicago (Ph.B. 1932, J.D. 1934).…
(Encyclopedia) pontoon, one of a number of floats used chiefly to support a bridge, to raise a sunken ship, or to float a hydroplane or a floating dock. Pontoons have been built of wood, of hides…
(Encyclopedia) poodle, popular breed of dog probably originating in Germany but generally associated with France, where it has been raised for centuries. There are three varieties, differing in size…
(Encyclopedia) ballisticsballisticsbəlĭsˈtĭks [key], science of projectiles. Interior ballistics deals with the propulsion and the motion of a projectile within a gun or firing device. Its problems…
(Encyclopedia) rationalism [Lat.,=belonging to reason], in philosophy, a theory that holds that reason alone, unaided by experience, can arrive at basic truth regarding the world. Associated with…
(Encyclopedia) bastard, person born out of wedlock whose legal status is illegitimacy. In civil law countries and in about half the states of the United States, the union of the parents in marriage…
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