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Amacher, Maryanne

(Encyclopedia)Amacher, Maryanne, 1938–2009, American avant-garde composer, b. Kane, Pa. She studied composition with Georg Rochberg at the Univ. of Pennsylvania (B.F.A., 1964), and privately with Karlheinz Stockh...

Velasco, José María

(Encyclopedia)Velasco, José María hōsāˈ märēˈä vāläsˈkō [key], 1840–1912, Mexican landscape painter; teacher of Diego Rivera. A gifted artisan descended from a family of shawl weavers, he entered the...

horse latitudes

(Encyclopedia)horse latitudes, two belts of latitude where winds are light and the weather is hot and dry. They are located mostly over the oceans, at about 30° lat. in each hemisphere, and have a north-south rang...

Keeshond

(Encyclopedia)Keeshond kāsˈhŏnd [key] (pl. Keeshonden), breed of medium-sized nonsporting dog raised in Holland for several hundred years and introduced into England in the year 1900. It stands about 18 in. (46 ...

ultraviolet radiation

(Encyclopedia)ultraviolet radiation, invisible electromagnetic radiation between visible violet light and X rays; it ranges in wavelength from about 400 to 4 nanometers and in frequency from about 1015 to 1017 hert...

Kiarostami, Abbas

(Encyclopedia)Kiarostami, Abbas ăbôˈsā kēyôˈrōmămēˌ [key], 1940–2016, Iranian filmmaker. Widely acclaimed as Iran's greatest film director, he typically explores the lives of ordinary Iranians in his f...

Langmuir, Irving

(Encyclopedia)Langmuir, Irving lăngˈmyo͞or [key], 1881–1957, American chemist, b. Brooklyn, N.Y. Associated (1909–50) with the research laboratory of the General Electric Company, he introduced atomic-hydrog...

temperature inversion

(Encyclopedia)temperature inversion, condition in which the temperature of the atmosphere increases with altitude in contrast to the normal decrease with altitude. When temperature inversion occurs, cold air underl...

torpedo boat

(Encyclopedia)torpedo boat, small fast warship built specially for using the torpedo as a means of attack. The first modern torpedo boat was the Lightning, built for the British navy in 1877 by the shipyards of Sir...

Siberian husky

(Encyclopedia)Siberian husky, breed of medium-sized, muscular working dog whose origins date back thousands of years in Siberia. It stands from 20 to 231⁄2 in. (50.8–59.7 cm) high at the shoulder and weighs fro...