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insanity

(Encyclopedia) insanity, mental disorder of such severity as to render its victim incapable of managing his affairs or of conforming to social standards. Today, the term insanity is used chiefly in…

philosophy of science

(Encyclopedia) philosophy of science, branch of philosophy that emerged as an autonomous discipline in the 19th cent., especially through the work of Auguste Comte, J. S. Mill, and William Whewell.…

pidgin

(Encyclopedia) pidginpidginpĭjˈən [key], a lingua franca that is not the mother tongue of anyone using it and that has a simplified grammar and a restricted, often polyglot vocabulary. The earliest…

Deneuve, Catherine

(Encyclopedia) Deneuve, Catherine, 1943–, French film actress, b. Paris as Catherine Fabienne Dorléac. The daughter of actors and sister of actress Françoise Dorléac (1942–67), the cool and beautiful…

Yazidi

(Encyclopedia) Yazidi or Yezidi Middle Eastern religious community whose beliefs incorporate elements of Zoroastrianism, Sufism, Christianity, Manichaeism, and Judaism. Its members, numbering between…

colloid

(Encyclopedia) colloidcolloidkŏlˈoid [key] [Gr.,=gluelike], a mixture in which one substance is divided into minute particles (called colloidal particles) and dispersed throughout a second substance…

stratigraphy

(Encyclopedia) stratigraphy, branch of geology specifically concerned with the arrangement of layered rocks (see stratification). Stratigraphy is based on the law of superposition, which states that…

barrow, in archaeology

(Encyclopedia) barrow, in archaeology, a burial mound. Earth and stone or timber are the usual construction materials; in parts of SE Asia stone and brick have entirely replaced earth. A barrow built…

extradition

(Encyclopedia) extraditionextraditionĕkstrədĭshˈən [key], delivery of a person, suspected or convicted of a crime, by the state where he has taken refuge to the state that asserts jurisdiction over…

hockey, field

(Encyclopedia) hockey, field, outdoor stick and ball game. Field hockey, like many sports, is of obscure origins, but traces in one form or another to the ancient Egyptians and Persians, making it…