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Zeravshan

(Encyclopedia)Zeravshan zyĕrəfshänˈ [key], river, c.460 mi (740 km) long, rising in the Turkistan Range of the Pamir-Alai mountain system, in Tajikistan. It flows westward through the agricultural Zeravshan val...

watershed

(Encyclopedia)watershed, elevation or divide separating the catchment area, or drainage basin, of one river system or group of river systems from another system or group of systems. The term is also often used syno...

Coahuila

(Encyclopedia)Coahuila kōäwēˈlä [key], state, 58,067 sq mi (150,394 sq km), N Mexico, on the northward ...

zebra

(Encyclopedia)zebra, herbivorous hoofed African mammal of the genus Equus, which also includes the horse and the ass. It is distinguished by its striking pattern of black or dark brown stripes alternating with whit...

Babbitt metal

(Encyclopedia)Babbitt metal, an antifriction metal first produced by Isaac Babbitt in 1839. In present-day usage the term is applied to a whole class of silver-white bearing metals, or “white metals.” These all...

cloud

(Encyclopedia)CE5 Approximate heights of some types of clouds cloud, aggregation of minute particles of water or ice suspended in the air. Cloudiness (or proportion of the sky covered by any form of cloud),...

Oregon Trail

(Encyclopedia)Oregon Trail, overland emigrant route in the United States from the Missouri River to the Columbia River country (all of which was then called Oregon). The pioneers by wagon train did not, however, fo...

miniature bull terrier

(Encyclopedia)miniature bull terrier, breed of small, muscular dog developed in England in the early 19th cent. It stands up to 14 in. (35.6 cm) high at the shoulder and weighs about 17 lb (7.7 kg). Its short, flat...

albino

(Encyclopedia)albino ălbīˈnō [key] [Port.,=white], animal or plant lacking normal pigmentation. The absence of pigment is observed in the body covering (skin, hair, and feathers) and in the iris of the eye. The...

Jelliffe, Smith Ely

(Encyclopedia)Jelliffe, Smith Ely jĕˈlĭf [key], 1866–1945, American neurologist and psychiatrist, b. New York City, M.D. Columbia, 1889. He was consultant at Manhattan State Hospital and at Kings Park State Ho...