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jade

(Encyclopedia) jade, common name for either of two minerals used as gems. The rarer variety of jade is jadeite, a sodium aluminum silicate, NaAl(SiO3)2, usually white or green in color; the green…

lipase

(Encyclopedia) lipaselipaselīˈpās [key], any enzyme capable of degrading lipid molecules. The bulk of dietary lipids are a class called triacylglycerols and are attacked by lipases to yield simple…

mesa, in geology

(Encyclopedia) mesamesamāˈsə [key] [Span.,=table], name given in the SW United States to a small, isolated tableland or a flat-topped hill. Two or more of the sides are steep and usually…

Midwest

(Encyclopedia) Midwest or Middle West, region of the United States centered on the western Great Lakes and the upper-middle Mississippi valley. It is a somewhat imprecise term that has been applied…

Klamath, indigenous people of North America

(Encyclopedia) KlamathKlamathklămˈəth [key], Native North Americans who in the 19th cent. lived in SW Oregon. They speak a language of the Sahaptin-Chinook branch of the Penutian linguistic stock (…

Lebanon, mountain range, Asia

(Encyclopedia) Lebanon, ancient Libanus, mountain range, c.100 mi (160 km) long, paralleling the Mediterranean Sea from S Lebanon N into Syria and rising steeply from the coast. Qurnet as Sawda (10,…

Farron, Julia

(Encyclopedia) Farron, Julia, 1922–2019, English ballerina, b. Joyce Margaret Farron-Smith. She studied at the Vic-Wells Ballet School, joined the company (now the Royal Ballet) in 1936, and, as the…

Brazza, Pierre Paul François Camille Savorgnan de

(Encyclopedia) Brazza, Pierre Paul François Camille Savorgnan deBrazza, Pierre Paul François Camille Savorgnan depyĕr pōl fräNswäˈ kämēˈyə sävôrnyäNˈ də bräzäˈ [key], 1852–1905, Franco-Italian empire…

Yellowstone

(Encyclopedia) Yellowstone, river, 671 mi (1,080 km) long, rising in NW Wyo., and flowing NE through Mont. to enter the Missouri River near the N.Dak. line; it drains c.70,400 sq mi (182,340 sq km).…

Zambezi

(Encyclopedia) ZambeziZambezizămbēˈzē [key], river, c.1,700 mi (2,740 km) long, rising in NW Zambia, S central Africa, and flowing in an S-shaped course generally E through E Angola, along the Zambia…