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Thompson, Francis

(Encyclopedia) Thompson, Francis, 1859–1907, English poet. His poetry, usually on religious subjects, is noted for its brilliant imagery and sonorous language. He was educated for the Roman Catholic…

gigantism

(Encyclopedia) gigantism, condition in which an animal or plant is far greater than normal in size. Plants are often deliberately bred to increase their size. However, among animals, gigantism is…

depressant

(Encyclopedia) depressant, any one of various substances that diminish functional activity, usually by depressing the nervous system. Barbiturates, sedatives, alcohol, and meprobamate are all…

Duvalier, François

(Encyclopedia) Duvalier, FrançoisDuvalier, FrançoisfräNswäˈ düvälyāˈ [key], 1907–71, dictator of Haiti (1957–71). A physician, he became director-general of the national public health service in 1946…

tetanus

(Encyclopedia) tetanustetanustĕtˈnəs, –ənəs [key] or lockjaw, acute infectious disease of the central nervous system caused by the toxins of Clostridium tetani. The organism has a widespread…

weight

(Encyclopedia) weight, measure of the force of gravity on a body (see gravitation). Since the weights of different bodies at the same location are proportional to their masses, weight is often used…

torque

(Encyclopedia) torque, in physics, that which tends to change the rate of rotation of a body; also called the moment of force. The torque produced by rotating parts of an electric motor or internal-…

Sandage, Allan Rex

(Encyclopedia) Sandage, Allan Rex, 1926–2010, American astronomer, b. Iowa City, Iowa, Ph.D. California Institute of Technology, 1953. He was a graduate student under Walter Baade and an assistant to…

conduction

(Encyclopedia) conduction, transfer of heat or electricity through a substance, resulting from a difference in temperature between different parts of the substance, in the case of heat, or from a…

drug resistance

(Encyclopedia) drug resistance, condition in which infecting bacteria can resist the destructive effects of drugs such as antibiotics and sulfa drugs. Drug resistance has become a serious public…