Columbia Encyclopedia

Search results

500 results found

carbonyl group

(Encyclopedia)carbonyl group kärˈbənĭl [key], in chemistry, functional group that consists of an oxygen atom joined by a double bond to a carbon atom. The carbon atom is joined to the remainder of the molecule ...

Northeast Canyons and Seamounts Marine National Monument

(Encyclopedia)Northeast Canyons and Seamounts Marine National Monument, 4,913 sq mi (12,725 sq km), NW Atlantic Ocean, 130 mi (210 km) off the coast of Cape Cod; est. 2016. The monument is divided into two areas; o...

Mutare

(Encyclopedia)Mutare o͝omtäˈlē [key], city (1992 est. pop. 131,400), E Zimbabwe, near the Mozambique border. Mutare is the commercial center for a rich agricultural and gold-mining region. Its industries includ...

La Grange

(Encyclopedia)La Grange lə grānj [key]. 1 City (1990 pop. 25,597), seat of Troupe co., W central Ga., inc. 1828. It is an industrial center that produces lumber, plastics, textiles, and transportation equipment. ...

Maremma

(Encyclopedia)Maremma märāmˈmä [key], coastal area in Tuscany, central Italy, along the Tyrrhenian Sea and extending E to the Apennines. A flourishing region in Etruscan and early Roman times, it became marshy ...

Baltic Shield

(Encyclopedia)Baltic Shield, the continental core of Europe, composed of Precambrian crystalline rock, the oldest of Europe. The tectonically stable region was not affected by the Caledonian, Hercynian, and Alpine ...

scalp

(Encyclopedia)scalp, the integument covering the top of the head. It consists of three layers of tissue: the skin, an underlying layer of tissue and blood vessels, and the occipitofrontalis muscle stretching from t...

Georgetown University

(Encyclopedia)Georgetown University, in the Georgetown section of Washington, D.C.; Jesuit; coeducational; founded 1789 by John Carroll, chartered 1815, inc. 1844. Its law and medical schools are noteworthy, and it...

Gleizes, Albert Léon

(Encyclopedia)Gleizes, Albert Léon älbĕrˈ lāôNˈ glĕz [key], 1881–1953, French cubist painter, illustrator, and writer. He was among the outstanding cubists in the Salon des Indépendants of 1911. Gleizes ...

Tweed , river, Scotland

(Encyclopedia)Tweed, river, 97 mi (156 km) long, rising in the Southern Uplands of Scotland. It flows E through S Scotland then NE, forming the Scotland-England border for 17 mi (27 km) before entering the North Se...