Pozzuolana
Pronunciation : Poz`zu*o*la"na, Poz`zo*la"*na
Part of Speech : n.
Etymology : [It.]
Definition : Defn: Volcanic ashes from Pozzuoli, in Italy, used in the manufacture of a kind of mortar which hardens under water.
Source : Webster's Unabridged Dictionary, 1913
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