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Compton effect

(Encyclopedia)Compton effect [for A. H. Compton], increase in the wavelengths of X rays and gamma rays when they collide with and are scattered from loosely bound electrons in matter. This effect provides strong ve...

anaphylaxis

(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...

Becker, Carl Lotus

(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...

Warham, William

(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...

stratification

(Encyclopedia)stratification (Lat.,=made in layers), layered structure formed by the deposition of sedimentary rocks. Changes between strata are interpreted as the result of fluctuations in the intensity and persis...

sweepstakes

(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...

Wouk, Herman

(Encyclopedia)Wouk, Herman wōk [key], 1915–2019, American writer, b. New York City. In The Caine Mutiny (1951; Pulitzer Prize), he made the protagonist-antagonist Captain Queeg a popular symbol of uncontrolled a...

centering

(Encyclopedia)centering, the framework of wood or of wood and steel built to support a masonry arch or vault during its construction. The centering itself must be rigidly supported, either by posts from the ground ...

Neptune, in astronomy

(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...

data encryption

(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...
 

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