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Lepidodendron and Sigillaria

(Encyclopedia)Lepidodendron sĭjĭlârˈēə [key], two principal genera of an extinct group of primitive vascular trees. They dominated the forests of the early Carboniferous period until the ferns gained ascendan...

Khalkís

(Encyclopedia)Khalkís kălˈsĭs [key], city (1991 pop. 51,646), capital of Évvoia (Euboea) prefecture, E Greece, on the island of Évvoia. Connected to the mainland by a bridge, the city is a trade center for lo...

Dalian

(Encyclopedia)Dalian or Talien both: däˈlyĕnˈ [key], Rus. Dalny, Jap. Dairen, city (1994 est. pop. 1,855,200), S Liaoning prov., China, on the Liaodong peninsula in the Bay of Korea. It has annexed Lüshun (Por...

Freetown

(Encyclopedia)Freetown, city (1995 est. pop. 519,500), capital of Sierra Leone, W Sierra Leone, a port on the Atlantic Ocean. Located on the Sierra Leone peninsula, Freetown is the nation's administrative, communic...

month

(Encyclopedia)month, in chronology, the conventional period of a lunation, i.e., passage of the moon through all its phases. It is usually computed at approximately 29 or 30 days. For the computation of the month a...

Northern Cape

(Encyclopedia)Northern Cape, province (2011 pop. 1,145,861), 144,015 sq mi (372,889 sq km), NW South Africa. In 1994, under South Africa's post-apartheid constitution, Northern Cape was created from the northern po...

Botswana

(Encyclopedia)CE5 Botswana bŏtswäˈnə [key], officially Republic of Botswana, republic (2020 est. pop. ...

nonmetal

(Encyclopedia)nonmetal, chemical element possessing certain properties by which it is distinguished from a metal. In general, this distinction is drawn on the basis that a nonmetal tends to accept electrons and for...

Mayne, Thom

(Encyclopedia)Mayne, Thom, 1944–, American architect, b. Waterbury, Conn., grad. Univ. of Southern California (B.A., 1968), Harvard (M.A., 1978). In 1972 Mayne cofounded the firm Morphosis in Santa Monica, Calif....

Witwatersrand

(Encyclopedia)Witwatersrand wĭtwôˈtərzrăndˌ [key] [Afrik.,=white water ridge] or the Rand, region, Gauteng prov. (formerly a part of Transvaal), South Africa. The area, which forms the watershed between the V...