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field, in physics
(Encyclopedia)field, in physics, region throughout which a force may be exerted; examples are the gravitational, electric, and magnetic fields that surround, respectively, masses, electric charges, and magnets. The...fife, in music
(Encyclopedia)fife, small transverse flute with six to eight finger holes adopted for military music by Swiss regiments serving in France in the late 15th cent. The fife was used in the British army until the end o...America, in geography
(Encyclopedia)America [for Amerigo Vespucci], the lands of the Western Hemisphere—North America, Central (or Middle) America, and South America. The world map published in 1507 by Martin Waldseemüller is the fir...America, in music
(Encyclopedia)America, in music, a patriotic hymn of the United States. The words (beginning “My country, 'tis of thee”) were written in 1832 by Samuel Francis Smith while he was a theological student in Andove...Eve, in genetics
(Encyclopedia)Eve, in genetics, popular term for a theoretical female ancestor of all living people, also known as Mitochondrial Eve. In 1987 biochemist Allan C. Wilson proposed that all living human beings had inh...family, in taxonomy
(Encyclopedia)family, in taxonomy: see classification. ...family, in sociology
(Encyclopedia)family, a basic unit of social structure, the exact definition of which can vary greatly from time to time and from culture to culture. How a society defines family as a primary group, and the functio...farming, in agriculture
(Encyclopedia)farming, in agriculture: see agriculture. ...farming, in taxation
(Encyclopedia)farming, in the history of taxation, collection of taxes through private contractors. Usually, the tax farmer paid a lump sum to the public treasury; the difference between that sum and the sum actual...fatigue, in engineering
(Encyclopedia)fatigue, in engineering, microscopic cracking of materials, especially metals, after repeated applications of stress. Fissures may be formed within pieces of metal during their manufacture when, while...Browse by Subject
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