Columbia Encyclopedia

(Encyclopedia) sweepstakes, contest or race, usually a horse race, on which a lottery is run. Prizes are awarded to the holders of winning tickets. In the case of a horse race, the draw is made from the names of all...

(Encyclopedia) Warham, William wôrˈəm [key], 1450?–1532, English churchman, archbishop of Canterbury. He studied at Oxford and became widely known in England for his legal ability, went often on diplomatic miss...

(Encyclopedia) proverb, short statement of wisdom or advice that has passed into general use. More homely than aphorisms, proverbs generally refer to common experience and are often expressed in metaphor, alliterati...

(Encyclopedia) psychrometer sīkrŏmˈĭtər [key], one of many instruments used for measuring the water vapor content or relative humidity of the atmosphere. It consists of two identical thermometers—the wet-bulb...

(Encyclopedia) Rollo rŏlf [key], c.860–c.932, first duke of Normandy. As leader of the Norman pirates settled at the mouth of the Seine, he attacked (910) Paris and Chartres. By the Treaty of Saint-Clair-sur-Epte...

(Encyclopedia) Becker, Carl Lotus, 1873–1945, American historian, b. Blackhawk co., Iowa. He taught history at Dartmouth College (1901–2), at the Univ. of Kansas (1902–16), and at Cornell (1917–41). After re...

(Encyclopedia) epinephrine ĕpˌənĕfˈrīn [key], hormone important to the body's metabolism, also known as adrenaline. Epinephrine, a catecholamine, together with norepinephrine, is secreted principally by the me...

(Encyclopedia) anaphylaxis ănˌəfəlăkˈsĭs [key], hypersensitive state that may develop after introduction of a foreign protein or other antigen into the body tissues. When an anaphylactic state exists, a secon...

(Encyclopedia) Neptune, in astronomy, 8th planet from the sun at a mean distance of about 2.8 billion mi (4.5 billion km) with an orbit lying between those of Uranus and the dwarf planet Pluto; its period of revolut...

(Encyclopedia) data encryption, the process of scrambling stored or transmitted information so that it is unintelligible until it is unscrambled by the intended recipient. Historically, data encryption has been used...