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Sachs, Jeffrey David

(Encyclopedia) Sachs, Jeffrey DavidSachs, Jeffrey Davidsăks [key], 1954–, American economist, b. Detroit; grad. Harvard (B.A. 1976, M.A. 1978, Ph.D. 1980). He joined the Harvard faculty in 1980, and…

Naoroji, Dadabhai

(Encyclopedia) Naoroji, DadabhaiNaoroji, Dadabhaidäˈdəbəhī närōˈjē [key], 1825–1917, Indian nationalist leader. The son of a Parsi priest, at 27 he became professor of mathematics at Elphinstone…

tsunami

(Encyclopedia) tsunamitsunamits&oobreve;näˈmē [key], series of catastrophic ocean waves generated by submarine movements, which may be caused by earthquakes, volcanic eruptions, landslides…

witchcraft

(Encyclopedia) witchcraft, a form of sorcery, or the magical manipulation of nature for self-aggrandizement, or for the benefit or harm of a client. This manipulation often involves the use of spirit…

Great Mother Goddess

(Encyclopedia) Great Mother Goddess, in ancient Middle Eastern religions, mother goddess, the great symbol of the earth's fertility. She was worshiped under many names and attributes. Similar figures…

hardness

(Encyclopedia) hardness, property of matter commonly described as the resistance of a substance to being scratched by another substance. The degree of hardness is relative, different substances being…

Faulkner, Brian

(Encyclopedia) Faulkner, BrianFaulkner, Brianfôkˈnər [key], 1921–77, Northern Irish politician. A Protestant businessman, he was elected to the Northern Ireland Parliament as a Unionist in 1949. As…

truck

(Encyclopedia) truck, automotive vehicle designed primarily for the transportation of goods. A truck is constructed on the general lines of the automobile but uses larger and heavier parts. It may be…

perversion, sexual

(Encyclopedia) perversion, sexual, in psychology, sexual behavior deemed pathological by its deviation from “normal” sexual desire. The definition of sexual perversion has shifted considerably over…

Stirling engine

(Encyclopedia) Stirling engine, an external combustion reciprocating engine having an enclosed working fluid that is alternately compressed and expanded to operate a piston, thus converting heat from…