pumice

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a light glass formed on the surface of some lavas; used as an abrasive
  2. verb rub with pumice, in order to clean or to smoothen

Etymology

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

In classic literature

Synonyms

pumice stone

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