Geology. Of rocks, stones, etc.: worn round and smooth by attrition. Cf. rolled, adj. 5.
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| 单词 | θ5238 |
| 释义 | the world > the earth > structure of the earth > formation of features > erosion or weathering > [adjective] > smoothed or rounded (3) rounded1757 Geology. Of rocks, stones, etc.: worn round and smooth by attrition. Cf. rolled, adj. 5. rolled1776 Chiefly Geology. Of rocks, stones, etc.: worn to a smooth, rounded form as a result of being moved about by rivers, waves, or tides. Cf. rounded, adj.… slickensided1875 |
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