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单词 greywacke
释义

Example sentences from the Web for greywacke

  • In Cornwall and Devonshire, the lead ore is found in veins in killas, a clay-slate passing into greywacke.

    A Dictionary of Arts, Manufactures and Mines|Andrew Ure

greywacke

US graywacke

/ (ˈɡreɪˌwækə) /

noun

any dark sandstone or grit having a matrix of clay minerals

Word Origin for greywacke

C19: partial translation of German Grauwacke; see wacke

Words nearby greywacke

grey sedge, grey squirrel, grey-state, Grey-Thompson, grey vote, greywacke, grey warbler, grey water, grey-wave, greywether, grey whale
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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更新时间:2024/11/10 11:58:18