plutonism

plutonism
Effects produced, as demonstrated in experimental animals, by means of exposure to the radioactive element plutonium present in atomic piles; they consist of hepatic damage, bone changes, and graying of the hair.

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plu·to·nism 'plüt-ən-.iz-əm n radiation sickness resulting from exposure to plutonium Plu·to 'plüt-(.)ō Greek mythological character. Pluto, who was also known as Hades, was the god of the dead and ruler of the underworld. The brother of the gods Zeus, Poseidon, Demeter, Hera, and Hestia, he had Persephone as his consort and queen. The ancients perceived him to be a grim, cold god who justly but mercilessly ruled his shadowy subterranean kingdom.

Medical dictionary. 2011.

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  • Plutonism — Plu to*nism, n. [Cf. F. plutonisme.] The theory, early advanced in geology, that the successive rocks of the earth s crust were formed by igneous fusion; opposed to the Neptunian theory. [1913 Webster] …   The Collaborative International Dictionary of English

  • Plutonism — Plutonic theory is the geologic theory proposed by James Hutton around the turn of the 19th century that volcanic activity was the source of rocks on the surface of the Earth. It was named for Pluto, the ancient Roman god of the underworld. This… …   Wikipedia

  • plutonism — plutonist, n. /plooht n iz euhm/, n. Geol. 1. the intrusion of magma and associated deep seated processes within the earth s crust. 2. (often cap.) the disproven theory that all rocks formed by solidification of a molten mass, promulgated by… …   Universalium

  • plutonism — plu·to·nism …   English syllables

  • plutonism — ˈplütənˌizəm noun ( s) Etymology: plutonium + ism : poisoning from exposure to or absorption of radiations from plutonium …   Useful english dictionary

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  • plutonisme — [ plytɔnism ] n. m. • 1842; de Pluton 1 ♦ Hist. Sc. Théorie du XVIIIe s. attribuant la formation de la croûte terrestre à l action du « feu intérieur ». 2 ♦ (mil. XXe; angl. plutonism [1942]) Géol. Formation de roches plutoniques. ● …   Encyclopédie Universelle

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