(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…
(Encyclopedia) carboloycarboloykärˈbəloi [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…
(Encyclopedia) Willstätter, RichardWillstätter, Richardrĭkhˈärt vĭlˈshtĕtər [key], 1872–1942, German chemist. He was professor at the Kaiser Wilhelm Institute of Chemistry, Berlin (1912–16), and at…
(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…
(Encyclopedia) pyrrhotitepyrrhotitepĭrˈətīt [key] or magnetic pyrites, bronze-yellow to bronze-red mineral, a sulfide of iron sometimes containing nickel. It tarnishes easily and is somewhat magnetic…
(Encyclopedia) Saint BonifaceSaint Bonifacesānt 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…
(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…
(Encyclopedia) coral snake, name for poisonous New World snakes of the same family as the Old World cobras. About 30 species inhabit Mexico, Central America, and N South America; two are found in the…
(Encyclopedia) ExodusExodusĕkˈsədəs [key], book of the Bible, 2d of the 5 books of the Law (the Pentateuch or Torah) ascribed by tradition to Moses. The book continues the story of the ancestors of…
(Encyclopedia) Lin Biao or Lin PiaoLin Piaoboth: lĭn byou [key], 1908–71, Chinese Communist general and political leader. Lin was trained at Whampoa Academy, and during the Northern Expedition he…