| 单词 | basalt |
| 释义 | basalt —basaltic, basaltine /beuh sawl"tin, -tuyn/, adj. /beuh sawlt", bas"awlt, bay"sawlt/, n. the dark, dense igneous rock of a lava flow or minor intrusion, composed essentially of labradorite and pyroxene and often displaying a columnar structure. [1595-1605; < L basaltes, a misreading, in mss. of Pliny, of basanites < Gk basanítes (líthos) touchstone, equiv. to básan(os) touchstone (ult. < Egyptian bhn(w) graywacke) + -ites -ITE1] |
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