= volcanic tuff n. at tuff, n. b.
| 单词 | θ5743 |
| 释义 | the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > volcanic rocks > volcanic tuff (5) volcanic tufa1772 = volcanic tuff n. at tuff, n. b. volcanic tuff1815 Any light porous cellular rock; = tufa, n. (But there is a recent tendency to differentiate tuff from… a tuff produced by the consolidation of… Subcategories:— varieties of (3) |
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