| 单词 | pumice |
| 释义 | pumice —pumiceous /pyooh mish"euhs/, adj. —pumicer, n. /pum"is/, n. , v. , pumiced, pumicing. n. 1. Also called pumice stone. a porous or spongy form of volcanic glass, used as an abrasive. v.t. 2. to rub, smooth, clean, etc., with pumice. [bef. 1000; < L pumic-, s. of pumex pumice stone; r. ME pomis(e), pomish(e), pomice < MF pomis < L; cf. OE pumic- ( < L), in pumicstan pumice stone; see POUNCE3] |
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