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prism
(Encyclopedia)prism, in optics, a piece of translucent glass or crystal used to form a spectrum of light separated according to colors. Its cross section is usually triangular. The light becomes separated because d...Osler, Sir William
(Encyclopedia)Osler, Sir William ōˈslər [key], 1849–1919, Canadian physician, M.D. McGill Univ., 1872. Renowned as a physician and as a medical historian, he was also the most brilliant and influential teacher...Petlyura, Simon
(Encyclopedia)Petlyura, Simon sĭmyōnˈ pyətlyo͞oˈrə [key], 1879–1926, Ukrainian nationalist politician. In Jan., 1919, he became leader of the independent Ukrainian republic that emerged after the collapse ...snipe
(Encyclopedia)snipe, common name for a shore bird of the family Scolopacidae (sandpiper family), native to the Old and New Worlds. The common, or Wilson's snipe (Capella gallinago), also called jacksnipe, is a game...trogon
(Encyclopedia)trogon trōˈgŏn [key], family of tropical jungle birds related to the roadrunners and including the quetzal. Trogons are sedentary arboreal birds, 10 to 14 in. (25.4–35.6 cm) long, with short roun...Ts'ao Hsüeh-ch'in
(Encyclopedia)Ts'ao Hsüeh-ch'in tsouˈ shyĕˈchĭnˈ [key], 1715–63, Chinese novelist. He is the author of Story of the Stone (or A Dream of Red Mansions), which is considered China's greatest novel. After his ...Tukhachevsky, Mikhail Nikolayevich
(Encyclopedia)Tukhachevsky or Toukhachevski, Mikhail Nikolayevich both: mēkhəyēlˈ nyĭkəlīˈəvĭch to͞okhəchĕfˈskē [key], 1893–1937, Soviet marshal. An officer in the czarist army from 1914, he joined...Aden, Gulf of
(Encyclopedia)Aden, Gulf of äˈdən, āˈ– [key], western arm of the Arabian Sea, 550 mi (885 km) long, lying between Yemen and Somalia; connected with the Red Sea by the Bab el Mandeb. The gulf is on the great ...Amano, Hiroshi
(Encyclopedia)Amano, Hiroshi, 1960–, Japanese physicist, Ph.D. Nagoya Univ., Japan, 1989. He is a professor at Nagoya Univ. in Japan. Amano is the joint recipient with Shuji Nakamura and Isamu Akasaki of the 2014...flame test
(Encyclopedia)flame test, test used in the identification of certain metals. It is based on the observation that light emitted by any element gives a unique spectrum when passed through a spectroscope. When a salt ...Browse by Subject
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