单词 | plane of cleavage |
释义 | > as lemmasplane of cleavage plane of cleavage n. Crystallography and Geology a plane in a rock or crystal at which cleavage can occur. ΚΠ 1830 H. Kater & D. Lardner Treat. Mechanics ii. 15 There are certain planes called planes of cleavage, in the directions of which natural crystals are easily divided. 1886 J. Prestwich Geol. I. 267 In the Lake District the planes of cleavage also usually strike about E.N.E. 1934 Times 11 Sept. 6/5 The lecturer then..described how the structure explained the planes of cleavage of the different kinds of crystals. 1991 RTZ Rev. Dec. 13/1 True slates are rocks which split easily along a plane of cleavage. < as lemmas |
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