| 释义 |
pum·ice
I. \ˈpəmə̇s\ noun
or pumice stone
(-s)
Etymology: Middle English pomis, from Middle French pomis, from Latin pumic-, pumex — more at foam
1. : a white, gray, yellowish, brownish, or rarely red volcanic glass that is light in weight because it is full of cavities produced by the expulsion of water vapor at a high temperature as lava comes to the surface and that is used especially in powder form for smoothing and polishing : hardened volcanic froth
2. : a piece of pumice especially for use in polishing, blotting, or erasing
3. obsolete : something that is as dry as pumice
II. transitive verb
(-ed/-ing/-s)
: to clean, smooth, or treat with pumice |