| 单词 | shrinkage crack |
| 释义 | > as lemmasshrinkage crack shrinkage crack n. Geology a crack formed on the surface of a bed of rock and due to shrinkage caused by exposure to sun and air; a crack similarly formed in other materials. ΘΚΠ the world > the earth > structure of the earth > structural features > discontinuity or unconformity > [noun] > fissure or crack clinta1400 shake1747 grike1781 sun crack1831 mud-crack1853 shrinkage crack1867 the world > existence and causation > creation > destruction > breaking or cracking > [noun] > a crack or breach > specific type of or having specific cause fire crack1656 star1838 flake1866 shrinkage crack1867 snowflake1919 microfracture1939 microcrack1950 1867 R. I. Murchison Siluria xviii. 437 In the Gaspé sandstones casts of shrinkage-cracks are very common. 1872 Q. Jrnl. Geol. Soc. 29 59 These nodules..are highly mineralized; for they exhibit wide shrinkage-cracks. 1930 New Statesman 27 Dec. 357/2 And even as regards telegraph poles and the like a preference is given to those with long shrinkage cracks. < as lemmas |
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