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grayling
(Encyclopedia)grayling, common name for a brilliantly colored fish belonging to the genus Thymallus, of the family Salmonidae (salmon family), and closely allied to the smelt. Graylings are found chiefly in clear, ...Addison's disease
(Encyclopedia)Addison's disease [for Thomas Addison], progressive disease brought about by atrophy of the outer layer, or cortex, of the adrenal gland; it is also called chronic adrenocortical insufficiency. The de...capybara
(Encyclopedia)capybara kăpĭbârˈə [key], mammal of Central and much of South America. It is the largest living member of the order Rodentia (the rodents) reaching a length of 4 ft (120 cm) and a weight of 75 to...tarpon
(Encyclopedia)tarpon tärˈpŏn [key], common name for members of the family Megalopidae, or Elopidae, large game fish of the warm seas of the Western Hemisphere, ranging occasionally from Long Island to Brazil and...Carothers, Wallace Hume
(Encyclopedia)Carothers, Wallace Hume kərŭᵺˈərz [key], 1896–1937, American chemist, b. Burlington, Iowa. He received his doctorate at the Univ. of Illinois in 1924, then taught organic chemistry there and a...chain reaction
(Encyclopedia) CE5 Chain reaction: A neutron (n) strikes the uranium nucleus (U-235), causing it to split into fission products A and B and release two neutrons. These neutrons can in turn cause further fissions....nuclear weapons
(Encyclopedia)nuclear weapons, weapons of mass destruction powered by atomic, rather than chemical, processes. Nuclear weapons produce large explosions and hazardous radioactive byproducts by means of either nuclea...electron-volt
(Encyclopedia)electron-volt, abbr. eV, unit of energy used in atomic and nuclear physics; 1 electron-volt is the energy transferred in moving a unit charge, positive or negative and equal to that charge on the elec...Roskilde
(Encyclopedia)Roskilde rôsˈkĭlə [key], city (1992 pop. 40,928), capital of Roskilde co., E Denmark, a port on the Roskilde Fjord (an arm of the Isefjord). Manufactures of this industrial city include processed ...Ridgway, Matthew Bunker
(Encyclopedia)Ridgway, Matthew Bunker, 1895–1993, U.S. general, b. Fort Monroe, Va. A West Point graduate, in World War II he was made (1942) assistant division commander and then commander of the 82d Infantry Di...Browse by Subject
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