| 单词 | pyroxene |
| 释义 | pyroxene —pyroxenic /puy'rok sen"ik/, adj. /puy rok"seen, peuh-, puy"rok seen'/, n. any of a very common group of minerals of many varieties, silicates of magnesium, iron, calcium, and other elements, occurring as important constituents of many kinds of rocks, esp. basic igneous rocks. Cf. augite, diopside, hypersthene. [1790-1800; < F; see PYRO-, XENO-; orig. supposed to be a foreign substance when found in igneous rocks] |
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