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William of Orange

(Encyclopedia)William of Orange: see William the Silent; William II, prince of Orange; William III, king of England. ...

escape velocity

(Encyclopedia)escape velocity, the velocity a body must be given in order to escape the gravitational hold of some other larger body, e.g., the earth, moon, or sun. A body given less than the escape velocity will f...

psychotherapy

(Encyclopedia)psychotherapy, treatment of mental and emotional disorders using psychological methods. Psychotherapy, thus, does not include physiological interventions, such as drug therapy or electroconvulsive the...

May, Rollo

(Encyclopedia)May, Rollo, 1909–94, American psychologist, b. Ada, Ohio. Previously a theological student and Congregational minister, May received his doctorate in clinical psychology from Columbia Univ. in 1949,...

antidiuretic hormone

(Encyclopedia)antidiuretic hormone ănˌtēdīyo͞orĕtˈĭk [key], polypeptide hormone secreted by the posterior pituitary gland. Its principal action is to regulate the amount of water excreted by the kidneys. An...

Jeffersonville

(Encyclopedia)Jeffersonville, city (1990 pop. 21,841), seat of Clark co., S Ind., at the falls of the Ohio River opposite Louisville, Ky. (with which it is connected by two bridges); inc. 1817. Located in a rich ag...

Strauss, Lewis Lichtenstein

(Encyclopedia)Strauss, Lewis Lichtenstein strôz [key], 1896–1974, American financier, chairman of the Atomic Energy Commission (1953–58), b. Charleston, W.Va. In World War I he served under Herbert Hoover on t...

Swithin, Saint

(Encyclopedia)Swithin or Swithun, Saint both: swĭᵺˈən [key], fl. 860, English bishop of Winchester. He was buried, according to his wishes, outside his church, but his relics were later removed to the new cath...

probability

(Encyclopedia)probability, in mathematics, assignment of a number as a measure of the “chance” that a given event will occur. There are certain important restrictions on such a probability measure. In any exper...

anesthesiology

(Encyclopedia)anesthesiology ănˌĭsthēˌzēŏlˈəjē [key], branch of medicine concerned primarily with procedures for rendering patients insensitive to pain, and for supporting life systems under the strains o...