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单词 plutonic
释义

WordReference Random House Unabridged Dictionary of American English © 2024
plu•ton•ic  (plo̅o̅ tonik),USA pronunciation adj. [Geol.]
  1. Geologynoting or pertaining to a class of igneous rocks that have solidified far below the earth's surface.
  • Greek Ploútōn) + -ic; origin, originally referring to the Plutonic theory (see plutonism)
  • Latin Plūtōn- (stem of Plūtō Pluto
  • 1790–1800

Collins Concise English Dictionary © HarperCollins Publishers::
plutonic /pluːˈtɒnɪk/ adj
  1. (of igneous rocks) derived from magma that has cooled and solidified below the surface of the earth
Etymology: 20th Century: named after Pluto1
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