| 单词 | ultramafic |
| 释义 | ultramafic[ uhl-truh-maf-ik ] / ˌʌl trəˈmæf ɪk / adjective Geology.ultrabasic. Origin of ultramaficFirst recorded in 1940–45; ultra- + mafic Words nearby ultramaficultraleftist, ultraliberal, ultraligation, ultralight, ultralow frequency, ultramafic, ultramarathon, ultramarine, ultrametamorphism, ultramicrobalance, ultramicrochemistry Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Scientific definitions for ultramaficultramafic [ ŭl′trə-măf′ĭk ] Containing mainly mafic minerals. Used of igneous rocks and often used interchangeably with ultrabasic. Dunite is an ultramafic rock. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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