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free association

(Encyclopedia)free association: see association; psychoanalysis. ...

free energy

(Encyclopedia)free energy or Gibbs free energy, quantity derived from the relationships between heat and work studied in thermodynamics and used as a measure of the relative stability of a physical or chemical syst...

free fall

(Encyclopedia)free fall, in physics, the state of a body moving solely under the influence of gravitational forces (see gravitation). A body falling freely toward the surface of the earth undergoes an acceleration ...

free port

(Encyclopedia)free port, port, or section of a port, exempt from customs regulations (see tariff). Goods may be landed at a free port for storage and handling, and they may even be processed into manufactured goods...

free radical

(Encyclopedia)free radical, in chemistry, a molecule or atom that contains an unpaired electron but is neither positively nor negatively charged. Free radicals are usually highly reactive and unstable. They are pro...

free trade

(Encyclopedia)free trade, in modern usage, trade or commerce carried on without such restrictions as import duties, export bounties, domestic production subsidies, trade quotas, or import licenses. The basic argume...

free verse

(Encyclopedia)free verse, term loosely used for rhymed or unrhymed verse made free of conventional and traditional limitations and restrictions in regard to metrical structure. Cadence, especially that of common sp...

free will

(Encyclopedia)free will, in philosophy, the doctrine that an individual, regardless of forces external to him, can and does choose at least some of his actions. The existence of free will is challenged by determini...

Harrison, Lou Silver

(Encyclopedia)Harrison, Lou Silver, 1917–2003, American composer, b. Portland, Oreg. He studied composition in California with Henry Cowell and Arnold Schoenberg. His early work stresses percussion while combinin...

Silver, Abba Hillel

(Encyclopedia)Silver, Abba Hillel, 1893–1963, American rabbi and Zionist leader, b. Lithuania. He was taken to the United States in 1902. Educated at the Univ. of Cincinnati (B.A., 1915) and Hebrew Union College,...