Definify.com

Webster 1913 Edition

Peperino

{

Pep′e-rine

, ‖

Pepˊe-ri′no

, }

Noun.

[It.

peperino

, L.

piper

pepper. So called on account of its color.]

(Geol.)

A volcanic rock, formed by the cementing together of sand, scoria, cinders, etc.