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Arabian Sea

(Encyclopedia)Arabian Sea, ancient Mare Erythraeum, northwest part of the Indian Ocean, lying between Arabia and India. The Gulf of Aden, extended by the Red Sea, and the Gulf of Oman, extended by the Persian Gulf,...

Atchafalaya

(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...

Bab el Mandeb

(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...

Willstätter, Richard

(Encyclopedia)Willstätter, Richard rĭkhˈärt vĭlˈshtĕtər [key], 1872–1942, German chemist. He was professor at the Kaiser Wilhelm Institute of Chemistry, Berlin (1912–16), and at the Univ. of Munich (191...

Theorell, Axel Hugo Teodor

(Encyclopedia)Theorell, Axel Hugo Teodor, 1903–82, Swedish biochemist, M.D. Caroline Institute, Stockholm, 1930. The results of an illness caused him to abandon his career as a physician, and he began to teach at...

Seaver, Tom

(Encyclopedia)Seaver, Tom (George Thomas Seaver), 1944–2020, American baseball pitcher and sportscaster, b. Fresno, Calif. During his career (1967–86), he won a total of 311 games for the New York Mets, Cincinn...

Saint Boniface

(Encyclopedia)Saint Boniface sānt bŏnˈĭfās [key], former city and historic community, SE Man., Canada, on the Red River opposite Winnipeg. It is now part of Winnipeg. It is an industrial center, with large sto...

canker

(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...

carboloy

(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...

pyrrhotite

(Encyclopedia)pyrrhotite pĭrˈətīt [key] or magnetic pyrites, bronze-yellow to bronze-red mineral, a sulfide of iron sometimes containing nickel. It tarnishes easily and is somewhat magnetic. It crystallizes in ...