单词 | emery |
释义 | em·er·y ![]() n. A fine-grained impure corundum used for grinding and polishing. [Middle English, from Old French emeri, emeril, from Late Latin smericulum, from Greek smuris, smiris; perhaps akin to smēn, to wipe, cleanse (of unknown origin) or to Hebrew šāmîr, a kind of very hard substance (possibly corundum).] |
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