pozzuolana Meaning, Definition & Usage

Poz`zu*o*la"na, Poz`zo*la"*na noun (Also<
  • Pozzuolana
  • Pozzolana
)
Etymology
It.
Definitions
  1. Volcanic ashes from Pozzuoli, in Italy, used in the manufacture of a kind of mortar which hardens under water.

Webster 1913