pumice
noun
a porous or spongy form of volcanic glass, used as an abrasive.
pumices
-
present tense formof pumice (3rd person singular).present tense
Used to describe things happening now or regularly.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The upper Piton is unfitted for retaining water, which must percolate through its cinders, pumices, and loose matter into many a reservoir formed by blowing-holes.
From To the Gold Coast for Gold A Personal Narrative in Two Volumes.—Volume I by Sir Richard Francis Burton
