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Cranach, Lucas

(Encyclopedia)Cranach or Kranach, Lucas both: lo͞oˈkäs kräˈnäkh [key], the Elder, 1472–1553, German painter and engraver. The son of a painter, he settled in Wittenberg c.1504 and was court painter successi...

decompression sickness

(Encyclopedia)decompression sickness, physiological disorder caused by a rapid decrease in atmospheric pressure, resulting in the release of nitrogen bubbles into the body tissues. It is also known as caisson disea...

Hope, Bob

(Encyclopedia)Hope, Bob, 1903–2003, American comedian, b. London as Leslie Townes Hope; he came to the United States at the age of five. Famous for his “ski-jump” nose, topical humor, superb timing, brashly i...

geomorphology

(Encyclopedia)geomorphology, study of the origin and evolution of the earth's landforms, both on the continents and within the ocean basins. It is concerned with the internal geologic processes of the earth's crust...

gas

(Encyclopedia)gas, in physics, one of the three commonly recognized states of matter, the other two being solid and liquid. A substance in the gaseous state has neither definite shape nor definite volume. Like liqu...

Juárez

(Encyclopedia)Juárez, officially Heroica Ciudad Juárez, city (1990 pop. 789,522) Chihuahua state, N Mexico, on the Rio Grande opposite El Paso, Tex. Connected with the United States by three international bridges...

atropine

(Encyclopedia)atropine ătˈrəpēn, –pĭn [key], alkaloid drug derived from belladonna and other plants of the family Solanaceae (nightshade family). Available either as the tincture or extract of belladonna, or...

Panama, city, Panama

(Encyclopedia)Panama, city (1990 pop. 584,803), central Panama, capital and largest city of Panama, on the Gulf of Panama. Founded in 1519 by Pedro Arias de Ávila, the city flourished in early colonial times as th...

Asian carp

(Encyclopedia)Asian carp, term for several large, hardy freshwater fish of the family Cyprinidae (the minnow family) that are native to E Asia and have become invasive species in the United States. The fish, which ...

liquid air

(Encyclopedia)liquid air, ordinary air that has been liquefied by compression and cooling to extremely low temperatures (see liquefaction). Its commercial preparation involves purification by washing to remove solu...