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weathering

(Encyclopedia)weathering, collective term for the processes by which rock at or near the earth's surface is disintegrated and decomposed by the action of atmospheric agents, water, and living things. Some of these ...

caracal

(Encyclopedia)caracal kărˈəkəl [key] or Persian lynx, mammal of the family Felidae (cat family), native to Asia and Africa. The caracal, Caracal caracal, is reddish brown with black-tufted ears. Its total lengt...

border terrier

(Encyclopedia)border terrier, breed of hardy, medium-sized terrier developed in the Border districts of N England in the 18th and 19th cent. It stands about 12 in. (30 cm) high at the shoulder and weighs from 131�...

Albuquerque

(Encyclopedia)Albuquerque ălˈbəkûrˌkē [key], city (2020 pop. 564,559), seat of Bernalillo co., W central N.Mex., on the upper Rio Grande; inc. 1890. The largest city in the state,...

Gambetta, Léon

(Encyclopedia)Gambetta, Léon lāôNˈ gäNbĕtäˈ [key], 1838–82, French republican leader. A lawyer who achieved some note as an opponent of the Second Empire of Napoleon III, he was elected deputy in 1869 and...

wind

(Encyclopedia)wind, flow of air relative to the earth's surface. A wind is named according to the point of the compass from which it blows, e.g., a wind blowing from the north is a north wind. The diurnal, or dai...

air conditioning

(Encyclopedia)CE5 Cross section of air conditioning unit. air conditioning, mechanical process for controlling the humidity, temperature, cleanliness, and circulation of air in buildings and rooms. Indoor air i...

Nyad, Diana

(Encyclopedia)Nyad, Diana nīˈăd [key], 1949–, American distance swimmer, b. New York City as Diana Sneed, grad. Lake Forest College, 1973. She began swimming seriously as a teenager, becoming interested in dis...

schipperke

(Encyclopedia)schipperke skĭpˈərkē [key], a breed of small nonsporting dog developed in Belgium several hundred years ago. It stands about 13 in. (33 cm) high at the shoulder and weighs from 14 to 18 lb (6.4–...

Dalton, John

(Encyclopedia)Dalton, John dôlˈtən [key], 1766–1844, English scientist. He revived the atomic theory (see atom), which he formulated in the first volume of his New System of Chemical Philosophy (2 vol., 1808�...