Word Study
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: 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
pozzolana
CIDE DICTIONARY
pozzolana, n. [It.].
Volcanic ashes from Pozzuoli, in Italy, used in the manufacture of a kind of mortar which hardens under water. [1913 Webster]
OXFORD DICTIONARY
pozzolana, n. (also puzzolana) a volcanic ash used for mortar or hydraulic cement.
Etymology
It., f. pozz(u)olano (adj.) of Pozzuoli near Naples
For further exploring for "pozzolana" in Webster Dictionary Online