Columbia Encyclopedia

(Encyclopedia)  CE5 chlorophyll klôrˈəfĭlˌ [key], green pigment that gives most plants their color and enables them to carry on the process of photosynthesis. Chemically, chlorophyll has several similar forms...

(Encyclopedia) Mabinogion măbĭnōˈgēən [key], title given to a collection of medieval Welsh stories. Scholars differ as to the meaning of the word mabinogion: some think it to be the plural of the Welsh word ma...

(Encyclopedia) Atchafalaya əchăˈfəlīˌə [key], navigable river, c.170 mi (270 km) long, S central La. The Atchafalaya meanders south, in a former channel of the Mississippi, to the Gulf of Mexico. A distributa...

(Encyclopedia) Bab el Mandeb băb ĕl mănˈdĕb [key] [Arab.,= gate of tears], strait, 17 mi (27 km) wide, linking the Red Sea with the Gulf of Aden and separating the Arabian peninsula from E Africa. It is an impo...

(Encyclopedia) Pecos pāˈkəs [key], city (1990 pop. 12,069), seat of Reeves co., W Tex., on the Pecos River; inc. 1903. It is a railroad and highway junction and the market for an extensive ranch and irrigated far...

(Encyclopedia) Ouachita Mountains, range of east-west ridges between the Arkansas and Red rivers, extending c.200 mi (320 km) from central Ark. into SE Okla. Magazine Mt. (c.2,800 ft/850 m high) is the tallest peak....

(Encyclopedia) Dionne, Marcel, 1951–, Canadian hockey player, b. Drummondville, Quebec. A talented offensive center, he was drafted (1971) by the National Hockey League (NHL)'s Detroit Red Wings. Moving to the Los...

(Encyclopedia) Disko dĭsˈkō [key], island, 3,312 sq mi (8,578 sq km), in the Davis Strait off W Greenland. It is mountainous (rising to 6,296 ft/1,919 m) and partly glaciated. Telluric iron and lignite have been ...

(Encyclopedia) canker, small sore on the inside of the mouth. A canker appears as a shallow, whitish ulcer surrounded by a thin, red area. It is tender, sometimes painful, and may occur singly or as one of a group o...

(Encyclopedia) carboloy kärˈbəloi [key] [portmanteau word from carbon and alloy], an alloy containing cobalt, tungsten, and carbon. This alloy is extremely hard, harder than steel; it is used to cut steel, porcel...