单词 | pumice |
释义 | pumice[ puhm-is ] / ˈpʌm ɪs / SEE SYNONYMS FOR pumice ON THESAURUS.COM nounAlso called pumice stone . a porous or spongy form of volcanic glass, used as an abrasive. verb (used with object), pum·iced, pum·ic·ing.to rub, smooth, clean, etc., with pumice. Origin of pumiceFirst recorded before 1000; from Latin pūmic-, stem of pūmex “pumice stone”; replacing Middle English pomis(e), pomish(e), pomice, from Middle French pomis, from Latin; compare Old English pumic- (from Latin ), in pumicstān “pumice stone”; see pounce3 OTHER WORDS FROM pumicepu·mi·ceous [pyoo-mish-uhs], /pyuˈmɪʃ əs/, adjectivepum·ic·er, nounWords nearby pumicepulvinar, pulvinate, pulvinus, puma, pumelo, pumice, pumice country, pummel, pummelo, pump, pump-action Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for pumiceBritish Dictionary definitions for pumicepumice / (ˈpʌmɪs) / nounAlso 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(tr) to rub or polish with pumice Derived forms of pumicepumiceous (pjuːˈmɪʃəs), adjectiveWord Origin for pumiceC15 pomys, from Old French pomis, from Latin pūmex Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for pumicepumice [ pŭm′ĭs ] n.A light, porous, glassy lava, used as an abrasive. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for pumicepumice [ pŭm′ĭs ] A usually light-colored, porous, lightweight rock of volcanic origin. The pores form when water vapor and gases escape from the lava during its quick solidification into rock. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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