单词 | plutonic |
释义 | plutonic /plooh ton"ik/, adj. Geol. noting or pertaining to a class of igneous rocks that have solidified far below the earth's surface. [1790-1800; < L Pluton- (s. of Pluto Pluto < Gk Ploúton) + -IC; orig. referring to the Plutonic theory (see PLUTONISM)] |
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