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letters

(Encyclopedia)letters, in literature, written messages, ranging from those addressed to the public and those sent from lover to lover, to business letters and thank-you notes. The common quality they share is a liv...

barcode

(Encyclopedia)CE5 Barcode barcode, computer coding system that uses a printed pattern of lines and bars to identify such things as products, mail and packages, and customer accounts; the term also is used for s...

Provençal literature

(Encyclopedia)Provençal literature, vernacular literature of S France. Provençal, or Occitan, as the language is now often called, appears to have been the first vernacular tongue used in French commerce and lite...

space probe

(Encyclopedia)space probe, space vehicle carrying sophisticated instrumentation but no crew, designed to explore various aspects of the solar system (see space exploration). Unlike an artificial satellite, which is...

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...

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...

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...