Columbia Encyclopedia

(Encyclopedia) Punt po͝ont [key], ancient land S of Egypt accessible by way of the Red Sea. Its exact location has not been identified, but it probably included the Somali coast. Temple reliefs at Deir el Bahari in...

(Encyclopedia) Wilkinson, Ellen, 1891?–1947, English politician. Of a working-class family, she graduated from the Univ. of Manchester and became a union organizer. A Labour member of Parliament (1924–31, 1935�...

(Encyclopedia) spinel, magnesium aluminum oxide, MgAl2O4, a mineral crystallizing in the isometric system, usually as octahedrons. It occurs as an accessory mineral in basic igneous rocks, in aluminum-rich metamorph...

(Encyclopedia) Grayson, Cary Travers, 1878–1938, American naval officer and surgeon, b. Culpeper co., Va. As a physician he entered (1903) the U.S. navy, was graduated (1904) from the navy medical school, and afte...

(Encyclopedia) mango măngˈgō [key], evergreen tree of the Anacardiaceae (sumac family), native to tropical E Asia and now grown in both hemispheres. The chief species, Mangifera indica, is believed to have been c...

(Encyclopedia) blackbird, common name in North America of a perching bird allied to the bobolink, the meadow lark, the oriole, and the grackle and belonging to the family Icteridae. The European blackbird, Turdus me...

(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...