(Encyclopedia) color, effect produced on the eye and its associated nerves by light waves of different wavelength or frequency. Light transmitted from an object to the eye stimulates the different…
(Encyclopedia) condor, common name for certain American vultures, found in the high peaks of the Andes of South America and the Coast Range of S California. Condors are the largest of the living…
(Encyclopedia) collie, breed of large, agile working dog developed in Scotland during the 17th and 18th cent. It stands from 22 to 26 in. (55.9–66 cm) high at the shoulder and weighs from 50 to 75 lb…
(Encyclopedia) baritebaritebârˈīt [key], barytesbarytesbərīˈtēz [key] [New Lat., from barium], or heavy spar, a white, yellow, blue, red, or colorless mineral. It is a sulfate of barium, BaSO4, found…
(Encyclopedia) redstart, common name for an Old World thrush of the genus Phoenicurus, family Turdidae. A small, slender-legged songbird, it is found in woodlands, parks, and heaths. The European…
(Encyclopedia) Miers, Harriet EllanMiers, Harriet Ellanmīˈərz [key], 1945–, American lawyer and government official, b. Dallas, Tex., grad. Southern Methodist Univ. (B.S., 1967; J.D., 1970). A…
(Encyclopedia) Madison, Dolley, 1768–1849, wife of President James Madison, b. Guilford co., N.C. Born Dolley Payne of Quaker parents, she was brought up in simplicity and was married (1790) to a…
(Encyclopedia) Shinn, Everett, 1876–1953, American painter and magazine illustrator, b. Woodstown, N.J., studied at the Pennsylvania Academy of the Fine Arts. Moving to New York City, Shinn created a…
(Encyclopedia) potassium hydroxide, chemical compound with formula KOH. Pure potassium hydroxide forms white, deliquescent crystals. For commercial and laboratory use it is usually in the form of…
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