pumice

noun pum·ice \ ˈpə-məs \

Definition of pumice

:a volcanic glass full of cavities and very low in density that is used especially in powder form for smoothing and polishing

pumiceous

play \pyü-ˈmi-shəs, ˌpə-\ adjective

Recent Examples of pumice from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pumice.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of pumice

Middle English pomis, from Anglo-French pomice, from Latin pumic-, pumex — more at foam


PUMICE Defined for English Language Learners

pumice

noun

Definition of pumice for English Language Learners

  • : a gray stone that comes from volcanoes, is full of small holes, has a very light weight, and is used especially for smoothing and polishing things or for softening the skin


PUMICE Defined for Kids

pumice

noun pum·ice \ ˈpə-məs \

Definition of pumice for Students

:a very light porous volcanic glass that is used in powder form for smoothing and polishing

Medical Dictionary

pumice

noun pum·ice \ ˈpəm-əs \

medical Definition of pumice

:a volcanic glass full of cavities and very light in weight used especially in powder form for smoothing and polishing

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