单词 | magma |
释义 | magma n. (pl. magmata or magmas)   1. fluid or semifluid material from which igneous rock is formed by cooling.   2. a crude pasty mixture of mineral or organic matter. Derivatives magmatic adj. Etymology: ME, = a solid residue f. L f. Gk magma -atos f. the root of masso knead |
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