pumice

English dictionary entry

Meanings

noun

A light, porous type of pyroclastic igneous rock, formed during explosive volcanic eruptions when liquid lava is ejected into water or air as a froth containing masses of gas bubbles, which are frozen into the rock as the lava solidifies.

verb

/ˈpʌm.ɪs/ LL-Q1860 (eng)-Vealhurl-pumice.wav

pumice pumices pumicing pumiced

From Anglo-Norman and Old French pomis (“pumice stone”), from Latin pūmex (“pumice stone”). Doublet of pounce.

pumiceous pumicate pumiciform pumice stone

pumicelike pumiceous pumicer pumice raft pumice stone pumicite

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