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单词 pumicate
释义

pumice /pumˈis or (esp Scot) pūˈmis/

noun
  1. An acid glassy lava so full of gas cavities that it floats in water
  2. A frothy portion of any lava
  3. A piece of such lava used for smoothing or cleaning
transitive verb (also (rare) pumicate /pūˈmi-kāt/)

To smooth or clean with pumice-stone

ORIGIN: OE pumic(-stān), pumice(-stone); reintroduced, from OFr pomis; both from L pūmex, -icis

pumiceous /-mishˈəs/ adjective

pumˈice-stone noun

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更新时间:2024/12/25 1:30:51