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单词 plutonist
释义

WordReference Random House Unabridged Dictionary of American English © 2024
plu•to•nism  (plo̅o̅tn iz′əm),USA pronunciation n. [Geol.]
  1. Geologythe intrusion of magma and associated deep-seated processes within the earth's crust.
  2. Geology(often cap.) the disproven theory that all rocks formed by solidification of a molten mass, promulgated by Scottish geologist James Hutton (1726–97).
  • pluton(ic) + -ism 1840–50
pluto•nist, n. 

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