Word Study
[2x]
: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
peperino
CIDE DICTIONARY
peperino, n. [It. peperino, L. piper pepper. So called on account of its color.].
A volcanic rock, formed by the cementing together of sand, scoria, cinders, etc. [1913 Webster]
OXFORD DICTIONARY
peperino, n. a light porous (esp. brown) volcanic rock formed of small grains of sand, cinders, etc.
Etymology
It. f. pepere pepper
For further exploring for "peperino" in Webster Dictionary Online