"Pumice Stone" is a word in ENGLISH

n. porous stone, pumice.

To soften and make of even thickness by rubbing, as with pumice stone or a blunt instrument.

To make smooth with pumice.

of Pumicate

of Pumicate

A very light porous volcanic scoria, usually of a gray color, the pores of which are capillary and parallel, giving …

Affected with a kind of chronic laminitis in which there is a growth of soft spongy horn between the coffin …

Of or pertaining to pumice; resembling pumice.

Resembling, or having the structure of, pumice.