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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...

hydria

(Encyclopedia)hydria hīˈdrēə [key], ancient Greek water jar with three handles—two lateral for lifting, a third vertical for pouring. In shape it was similar to the amphora, the early form having a narrower s...

Earth Day

(Encyclopedia)Earth Day, Apr. 22, a day to celebrate the environment. The first Earth Day was organized in 1970 to promote the ideas of ecology, encourage respect for life on earth, and highlight growing concern ov...

Eder

(Encyclopedia)Eder āˈdər [key], river, c.110 mi (180 km) long, rising near Siegen, central Germany, and flowing E to the Fulda River. The Eder dam, at Hemfurth, impounds one of the largest reservoirs in Germany;...

monitor, type of warship

(Encyclopedia)monitor, type of turreted warship (no longer used) carrying heavy guns, having little draft, and lying low in the water. Monitors were so called from the first of the class, the Monitor, built for the...

potassium chloride

(Encyclopedia)potassium chloride, chemical compound, KCl, a colorless or white, cubic, crystalline compound that closely resembles common salt (sodium chloride). It is soluble in water, alcohol, and alkalies. Potas...

Okeechobee, Lake

(Encyclopedia)Okeechobee, Lake ōˌkēchōˈbē [key], c.700 sq mi (1,810 sq km), SE Fla., N of the Everglades; third largest freshwater lake and fourth largest lake wholly within the United States. It is c.35 mi (...

Hobbema, Meindert

(Encyclopedia)Hobbema, Meindert mīnˈdərt hôbˈəmä [key], 1638–1709, Dutch landscape painter. In landscape art Hobbema was second only to his contemporary Jacob van Ruisdael, with whom he may have studied. M...

dry cleaning

(Encyclopedia)dry cleaning, process of cleaning fabrics without water. Special solvents and soaps are used so as not to harm fabrics and dyes that will not withstand the effects of ordinary soap and water. Dry clea...

Sistan

(Encyclopedia)Sistan sā– [key], border lowland region of SW Afghanistan and E Iran, c.6,000 sq mi (15,540 sq km), fed mainly by the spring flood of the Helmand River and other streams. At low water, the region i...