| 单词 | pumice |
| 释义 | Word Frequency pumice(ˈpʌmɪs) noun 1. Also called: pumice stone a light porous acid volcanic rock having the composition of rhyolite, used for scouring and, in powdered form, as an abrasive and for polishing verb 2. (transitive) to rub or polish with pumice Derived forms pumiceous (pjuːˈmɪʃəs) adjective Word origin C15 pomys, from Old French pomis, from Latin pūmex |
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