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Palamas, Kostes

(Encyclopedia)Palamas, Kostes kôstēsˈ pälämäsˈ [key], 1859–1943, Greek poet. He studied at the Univ. of Athens of which he later was secretary for many years. Except in his early work, he wrote in demotic ...

Alien and Sedition Acts

(Encyclopedia)Alien and Sedition Acts, 1798, four laws enacted by the Federalist-controlled U.S. Congress, allegedly in response to the hostile actions of the French Revolutionary government on the seas and in the ...

De Soto, Hernando

(Encyclopedia)De Soto, Hernando dĭsōˈtō, Span. ĕrnänˈdō dā sōˈtō [key], c.1500–1542, Spanish explorer. After serving under Pedro Arias de Ávila in Central America and under Francisco Pizarro in Peru,...

complex variable analysis

(Encyclopedia)complex variable analysis, branch of mathematics that deals with the calculus of functions of a complex variable, i.e., a variable of the form z=x+iy, where x and y are real and i=−1 (see number). A...

cloud chamber

(Encyclopedia)cloud chamber, device used to detect elementary particles and other ionizing radiation. A cloud chamber consists essentially of a closed container filled with a supersaturated vapor, e.g., water in ai...

autism

(Encyclopedia)autism ôˈtĭzəm [key], developmental disability resulting from a neurological disorder that affects the normal functioning of the brain. It is characterized by the abnormal development of communica...

marine engine

(Encyclopedia)marine engine, machine for the propulsion of watercraft. The earliest marine power plants, reciprocating steam engines, were used almost exclusively until the early 1900s. In later ship construction t...

Baker, Ella Josephine

(Encyclopedia)Baker, Ella Josephine, 1903–1986, U.S. civil rights activist, b. Norfolk, Va. Ella Baker was an activist and organizer whose b...

Theresa, Saint (Theresa of Ávila)

(Encyclopedia)Theresa or Teresa, Saint (Theresa of Ávila) both: tĭrēˈsə, –zə [key], 1515–82, Spanish Carmelite nun, Doctor of the Church, one of the principal saints of the Roman Catholic Church, one of t...

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