| 单词 | pumice |
| 释义 | pumice n. & v. --n (in full pumice-stone) 1. a light porous volcanic rock often used as an abrasive in cleaning or polishing substances. 2. a piece of this used for removing hard skin etc. --vtr. rub or clean with a pumice. Derivatives pumiceous adj. Etymology: ME f. OF pomis f. L pumex pumicis (dial. pom-): cf. POUNCE(2) |
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