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landslide

(Encyclopedia)landslide, rapid slipping of a mass of earth or rock from a higher elevation to a lower level under the influence of gravity and water lubrication. More specifically, rockslides are the rapid downhill...

tenrec

(Encyclopedia)tenrec tĕnˈrĕk [key], any of the small insectivorous mammals of the family Tenrecidae, also called tendrecs or tanrecs. These animals are found on the island of Madagascar. In that closed environme...

equivalent weight

(Encyclopedia)equivalent weight. The equivalent weight of an element or radical is equal to its atomic weight or formula weight divided by the valence it assumes in compounds. The unit of equivalent weight is the a...

Jordan, river, Asia

(Encyclopedia)Jordan, river, c.200 mi (320 km) long, formed in the Hula basin, N Israel, by the confluence of three headwater streams and meandering S through the Sea of Galilee to the Dead Sea; the region of Pales...

blue whale

(Encyclopedia)blue whale, a baleen whale, Balaenoptera musculus. Also called the sulphur-bottom whale and Sibbald's rorqual, it is the largest animal that has ever lived. Blue whales have been known to reach a leng...

river

(Encyclopedia)river, stream of water larger than a brook or creek. Land surfaces are never perfectly flat, and as a result the runoff after precipitation tends to flow downward by the shortest and steepest course i...

Kislovodsk

(Encyclopedia)Kislovodsk kēsləvôtskˈ [key] [Rus.,=sour water], city (1989 pop. 114,000), S European Russia, in the N Caucasus Mts. It is a famous health resort with mineral springs, sanatoriums, and a physico-t...

Saco, river, United States

(Encyclopedia)Saco, river, c.105 mi (170 km) long, rising in the White Mts., N central N.H. and flowing SE through Maine to the Atlantic Ocean below Biddeford. The falls at Biddeford, site of a hydroelectric dam (o...

Sambourne, Edward Linley

(Encyclopedia)Sambourne, Edward Linley, 1844–1910, English caricaturist and illustrator. He was associated with Punch from 1867, when he began contributing, until the end of his life, and he followed Sir John Ten...

Raritan

(Encyclopedia)Raritan, river, 85 mi (137 km) long, rising in N central N.J., and flowing generally SE to Raritan Bay, an arm of Lower New York Bay, at Perth Amboy. Through pumping the Raritan supplies water to the ...