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equilibrium
(Encyclopedia) CE5 Equilibrium equilibrium, state of balance. When a body or a system is in equilibrium, there is no net tendency to change. In mechanics, equilibrium has to do with the forces…ion, in chemistry
(Encyclopedia) ion, atom or group of atoms having a net electric charge. Ionization has many applications. Vapor lamps and fluorescent lamps take advantage of the light given off when positive ions…Paralympic games
(Encyclopedia) Paralympic games, series of international sports contests for athletes with physical, visual, and intellectual impairments. The games grew out of a gathering of British World War II…English setter
(Encyclopedia) English setter, breed of large sporting dog developed over hundreds of years in England. It stands about 25 in. (63.5 cm) high at the shoulder and weighs about 60 lb (27.2 kg). Its…surface tension
(Encyclopedia) surface tension, tendency of liquids to reduce their exposed surface to the smallest possible area. A drop of water, for example, tends to assume the shape of a sphere. The phenomenon…water polo
(Encyclopedia) water polo, swimming game encompassing features of soccer, football, basketball, and hockey. The object of the game is to maneuver, by head, feet, or hand, a leather-covered ball 27 to…hurling
(Encyclopedia) hurling, outdoor ball and stick game similar to field hockey (see hockey, field). The national pastime of Ireland, it was played for many centuries before the Gaelic Athletic…Broad, Eli
(Encyclopedia) Broad, Eli, 1933-2021, American financier and philanthropist, Bronx, N.Y., Michigan State College (BA, 1954). Broad was the son of poor…center of mass
(Encyclopedia) center of mass, the point at which all the mass of a body may be considered to be concentrated in analyzing its motion. The center of mass of a sphere of uniform density coincides with…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…Trending
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