A dark-coloured igneous rock more or less columnar in structure: now extended to include all igneous rocks which are neither granitic nor of…
| 单词 | θ5748 |
| 释义 | the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > trap (26) trap1794 A dark-coloured igneous rock more or less columnar in structure: now extended to include all igneous rocks which are neither granitic nor of… trap-tuff1794 attributive and in other combinations, as trap-dike (dike, n.1 9b), trap-granulite, trap-porphyry, trap-rock, trap-shale, trap-stone, trap-tuff. amygdalite1811 = amygdaloid, n. Subcategories:— basalt (20) — amygdaloid (3) |
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