(Encyclopedia) caravan, group of travelers or merchants banded together and organized for mutual assistance and defense while traveling through unsettled or hostile country. Caravan trade is…
(Encyclopedia) connective tissue, supportive tissue widely distributed in the body, characterized by large amounts of intercellular substance and relatively few cells. The intercellular material, or…
(Encyclopedia) printer, device that reproduces text, images, or other data from a computer, digital camera, smartphone, or the like on paper or another medium.
Impact printers, which mostly have been…
(Encyclopedia) tree shrew, small, arboreal mammal of the family Tupaiidae, found in S Asia. The 17 known species of tree shrews are classified as the order Tupaioidea or Scandentia. Tree shrews…
(Encyclopedia) seasonal affective disorder (SAD), recurrent fall or winter depression characterized by excessive sleeping, social withdrawal, depression, overeating, and pronounced weight gain. SAD…
(Encyclopedia) rabiesrabiesrāˈbēz, răˈ– [key] or hydrophobiarabieshīˌdrəfōˈbēə [key], acute viral infection of the central nervous system in dogs, bats, foxes, raccoons, skunks, and other animals,…
(Encyclopedia) era, period of historic time. In geology, it is the name applied to large divisions of geological process, e.g., Paleozoic era (see geology). In chronology an era is a period reckoned…
(Encyclopedia) amplifier, device that accepts a varying input signal and produces an output signal that varies in the same way as the input but has a larger amplitude. The input signal may be a…
(Encyclopedia) Guiana Highlands, mountainous tableland, c.1,200 mi (1,930 km) long and from 200 to 600 mi (322–966 km) wide, N South America, bounded by the Orinoco and Amazon river basins, and by…
(Encyclopedia) Hague Tribunal, popular name for the Permanent Court of Arbitration established in 1899 by a convention of the First Hague Peace Conference to facilitate arbitration and other forms of…
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