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palmtop
(Encyclopedia)palmtop or hand-held personal computer, lightweight, small, battery-powered, general-purpose programmable computer. It typically had a miniaturized full-function, typewriterlike keyboard for input and...fleece
(Encyclopedia)fleece, mat of wool formed by shearing a sheep in one continuous operation. The average fleece weighs from 5 to 10 lb (2.3–4.5 kg); in highbred wool sheep such as the American Merinos a ram's fleece...compressed air
(Encyclopedia)compressed air, air whose volume has been decreased by the application of pressure. Air is compressed by various devices, including the simple hand pump and the reciprocating, rotary, centrifugal, and...coup
(Encyclopedia)coup ko͞o [key] [Fr.,=blow], among Native North Americans of the Plains culture, a war honor, awarded for striking an enemy in such a way that it was considered an extreme act of bravery. Generally, ...Guericke, Otto von
(Encyclopedia)Guericke, Otto von ôˈtō fən gāˈrĭkə [key], 1602–86, German physicist, noted for his study of pneumatics. He carried out his most important researches while burgomaster (1646–81) of Magdebu...thread
(Encyclopedia)thread, a fine twist of fibrous material, distinguished from yarn in general by being smoother, stronger, and more pliable; it is also better suited to sewing, embroidery, and lace making. Sewing or s...Boötes
(Encyclopedia)Boötes bō-ōˈtēz [key] [Gr.,=the herdsman], northern constellation located to the SE of the Big Dipper in Ursa Major and W of Corona Borealis, the Northern Crown. It contains the brilliant orange ...Sumter
(Encyclopedia)Sumter, city (1990 pop. 41,943), seat of Sumter co., central S.C.; founded 1785, inc. 1845. It is the commercial, processing, and shipping center of a timber and agricultural region. Chief crops are t...aggression
(Encyclopedia)aggression, a form of behavior characterized by physical or verbal attack. It may appear either appropriate and self-protective, even constructive, as in healthy self-assertiveness, or inappropriate a...volleyball
(Encyclopedia)volleyball, outdoor or indoor ball and net game played on a level court. An upright net, 3 ft (or 1 m) high, the top of which stands 8 ft (2.43 m) from the ground for men, 7 ft 4 1/8 in (2.24 m) for w...Browse by Subject
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