from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Alternative spelling of pozzolana.
from the GNU version of the Collaborative International Dictionary of English
- n. Volcanic ashes from Pozzuoli, in Italy, used in the manufacture of a kind of mortar which hardens under water.
from The Century Dictionary and Cyclopedia
- n. A material of volcanic origin, first found at Pozzuoli, near Naples, and afterward in many other localities, and of great importance in the manufacture of hydraulic cement.
Sorry, no etymologies found.