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Jerusalem artichoke

(Encyclopedia)Jerusalem artichoke, tuberous-rooted perennial (Helianthus tuberosus) of the family Asteraceae (aster family), native to North America, where it was early cultivated by the indigenous inhabitants. In ...

dowry

(Encyclopedia)dowry douˈrē [key], the property that a woman brings to her husband at the time of the marriage. The dowry apparently originated in the giving of a marriage gift by the family of the bridegroom to t...

Kantrowitz, Adrian

(Encyclopedia)Kantrowitz, Adrian kănˈtrəwĭtsˌ [key], 1918–2008, American surgeon, b. New York City, grad. New York Univ. (1940). The son of a physician, Kantrowitz received his M.D. from the Long Island Coll...

stock, in finance

(Encyclopedia)stock, in finance, instrument certifying to shares in the ownership of a corporation. Bonds are similar evidences of shares in a loan to a corporation. Stock yields no dividends until claims of bondho...

spinal puncture

(Encyclopedia)spinal puncture, surgical penetration of the spinal canal by a hollow needle introduced between two of the lumbar vertebrae. The arrangement permits injection of antibiotics or anesthetics (see anesth...

Wilson, J. Tuzo

(Encyclopedia)Wilson, J. Tuzo (John Tuzo Wilson), 1908–93, Canadian geologist and geophysicist, b. Ottawa, Ph.D. Princeton (1936), M.A. Cambridge (1940). He worked for the Geological Survey of Canada (1936–39) ...

Carranza de Miranda, Bartolomé de

(Encyclopedia)Carranza de Miranda, Bartolomé de bärtōlōmāˈ dā käränˈthä dā mēränˈdä [key], 1503–76, Spanish churchman. He joined the Dominicans (1520) and taught at Valladolid. He was active in th...

Bradlaugh, Charles

(Encyclopedia)Bradlaugh, Charles brădˈlô [key], 1833–91, British social reformer, a secularist. Editor of the free-thinking weekly National Reformer from 1860 and later associated with Annie Besant, he was an ...

Taney, Roger Brooke

(Encyclopedia)Taney, Roger Brooke tôˈnē [key], 1777–1864, American jurist, 5th chief justice of the United States (1836–64), b. Calvert co., Md., grad. Dickinson College, 1795. The Senate, incensed by Tan...

chain reaction

(Encyclopedia)CE5 Chain reaction: A neutron (n) strikes the uranium nucleus (U-235), causing it to split into fission products A and B and release two neutrons. These neutrons can in turn cause further fissions....