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iodine

(Encyclopedia)iodine īˈədīn, –dĭn [key] [Gr.,=violet], nonmetallic chemical element; symbol I; at. no. 53; at. wt. 126.90447; m.p. 113.5℃; b.p. 184.35℃; sp. gr. 4.93 at 20℃; valence −1, +1, +3, +5, o...

Collins, Patricia Hill

(Encyclopedia)Collins, Patricia Hill, 1948–, American sociologist and social theorist, b. Philadelphia, Ph.D. Brandeis University, 1984. A noted ...

Chouteau

(Encyclopedia)Chouteau sho͞otōˈ [key], family of American fur traders. René Auguste Chouteau, 1749–1829, b. New Orleans, accompanied (1763) his stepfather, Pierre Laclede, on a trading expedition to the Illin...

Germanic languages

(Encyclopedia)Germanic languages, subfamily of the Indo-European family of languages, spoken by about 470 million people in many parts of the world, but chiefly in Europe and the Western Hemisphere. All the modern ...

Descartes, René

(Encyclopedia)Descartes, René rənāˈ dākärtˈ [key], Lat. Renatus Cartesius, 1596–1650, French philosopher, mathematician, and scientist, b. La Haye. Descartes' methodology was a major influence in the trans...

Savoy

(Encyclopedia)Savoy səvoiˈ [key], Fr. Savoie, Alpine region of E France. The boundaries of old Savoy have changed with time, but presently the region comprises the departments of Savoie and Haute-Savoie. It is bo...

Philip IV, king of France

(Encyclopedia)Philip IV (Philip the Fair), 1268–1314, king of France (1285–1314), son and successor of Philip III. The policies of his reign greatly strengthened the French monarchy and increased the royal reve...

Tay-Sachs disease

(Encyclopedia)Tay-Sachs disease tāˈ-săksˈ [key], rare hereditary disease caused by a genetic mutation that leaves the body unable to produce an enzyme necessary for fat metabolism in nerve cells, producing cent...

Boniface VIII

(Encyclopedia)Boniface VIII, 1235–1303, pope (1294–1303), an Italian (b. Anagni) named Benedetto Caetani; successor of St. Celestine V. As a cardinal he was independent of the factions in the papal court, and h...

Albigenses

(Encyclopedia)Albigenses ălbĭjĕnˈsēz [key] [Lat.,=people of Albi, one of their centers], religious sect of S France in the Middle Ages. In 1208 the papal legate, a Cistercian, Peter de Castelnau, was murdere...