Columbia Encyclopedia

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packaging

(Encyclopedia)packaging, containment and packing prior to sale with the primary purpose of facilitating the purchase and use of a product. Before 1800 packaging was restricted almost entirely to containment for shi...

Americans with Disabilities Act

(Encyclopedia)Americans with Disabilities Act, U.S. civil-rights law, enacted 1990, that forbids discrimination of various sorts against persons with physical or mental handicaps. Its primary emphasis is on enablin...

higher criticism

(Encyclopedia)higher criticism, name given to a type of biblical criticism distinguished from textual or lower criticism. It seeks to interpret text of the Bible free from confessional and dogmatic theology. Higher...

aorta

(Encyclopedia)CE5 Aorta aorta āôrˈtə [key], primary artery of the circulatory system in mammals, delivering oxygenated blood to all other arteries except those of the lungs. The human aorta, c.1 in. (2.54 c...

Gruening, Ernest Henry

(Encyclopedia)Gruening, Ernest Henry grēnˈĭng [key], 1887–1974, American political leader, governor of Alaska (1939–53), and U.S. Senator (1959–69), b. New York City. He became interested in journalism and...

hand

(Encyclopedia)CE5 Bones of right wrist and hand, dorsal view hand, terminal part of the forelimb in primates. The human hand consists of the wrist, palm, four fingers, and thumb. In humans and other primates, t...

aniline

(Encyclopedia)aniline ănˈəlĭn [key], C6H5NH2, colorless, oily, basic liquid organic compound; chemically, a primary aromatic amine whose molecule is formed by replacing one hydrogen atom of a benzene molecule w...

plant breeding

(Encyclopedia)plant breeding, science of altering the genetic pattern of plants in order to increase their value. Increased crop yield is the primary aim of most plant-breeding programs; advantages of the hybrids a...

Cantor, Eric Ivan

(Encyclopedia)Cantor, Eric Ivan, 1963–, U.S. politician, b. Richmond, Va., grad. George Washington Univ. (B.A., 1985), William and Mary (J.D., 1988), Columbia (M.S., 1989). A conservative Republican, he worked as...

Nicias

(Encyclopedia)Nicias nīˈsēəs, nĭshˈēəs [key], d. 413 b.c., Athenian political leader and general. After Pericles' death he emerged as the primary rival of Cleon and his war party. He was a moderate democrat...