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germanium

(Encyclopedia)germanium jərmāˈnēəm [key] [from Germany], semimetallic chemical element; symbol Ge; at. no. 32; at. wt. 72.63; m.p. 937.4℃; b.p. 2,830℃; sp. gr. 5.323 at 25℃; valence +2 or +4. Pure german...

lanthanum

(Encyclopedia)lanthanum lănˈthənəm [key] [Gr.,=to lie hidden], metallic chemical element; symbol La; at. no. 57; at. wt. 138.90547; m.p. about 920℃; b.p. about 3,460℃; sp. gr. 6.19 at 25℃; valence +3. Lan...

glacier

(Encyclopedia)glacier, moving mass of ice that survives year to year, formed by the compacting of snow into névé and then into granular ice and set in motion outward and downward by the force of gravity and the s...

Anáhuac

(Encyclopedia)Anáhuac änäˈwäk [key] [Aztec and Nahuatl,=near the water], geographical term used variously in Mexico before the Spanish Conquest. Today it commonly refers to that part of the central plateau of ...

Milwaukie

(Encyclopedia)Milwaukie, city (1990 pop. 18,692), Clackamas and Multnomah counties, NW Oreg., on the Willamette River; inc. 1903. The city is a distribution center for farms and orchards of the Willamette valley an...

Natural Bridge

(Encyclopedia)Natural Bridge, small village, Rockbridge co., W Va., in the Shenandoah valley; founded 1774. Nearby is the famous Natural Bridge over the gorge of Cedar Creek. It is a limestone arch 215 ft (66 m) hi...

Awash

(Encyclopedia)Awash äˈwäsh [key], river, E Ethiopia, rising near Addis Ababa and flowing c.500 mi (800 km) to a swampy lake near the Djibouti border. The Awash Valley is important agriculturally and has hydroele...

Cape Fear River

(Encyclopedia)Cape Fear River, 202 mi (325 km) long, formed in E central N.C. by the junction of the Deep and Haw rivers, and flowing southeast to enter the Atlantic Ocean S of Wilmington and N of Cape Fear; longes...

Sorek

(Encyclopedia)Sorek sōˈrĕk [key], in the Bible, valley, SW ancient Palestine, the home of Delilah. It is the modern Nahal Soreg, Israel, which meets the sea NW of Yibna. ...

Uncompahgre

(Encyclopedia)Uncompahgre ŭnˌkəmpäˈgrē [key], river, c.75 mi (120 km) long, rising in the San Juan Mts., SW Colo., and flowing NW past Montrose to the Gunnison River at Delta. Its waters are used for irrigati...