(a) A soft friable rock containing a high proportion of chalky material; spec. a greyish-white calcareous sandstone of the Upper Greensand of…
单词 | θ5612 |
释义 | the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > chalk > malm (3) malmeOE (a) A soft friable rock containing a high proportion of chalky material; spec. a greyish-white calcareous sandstone of the Upper Greensand of… malm rock1833 = sense 3. malmstone1889 = malm, n. 1(a). Also: a piece of this. |
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