Pozzolana

Definition:

• (n.) Volcanic ashes from Pozzuoli, in Italy, used in the manufacture of a kind of mortar which hardens under water.

Compare pozzolana with other words:

pozzolana vs. puzzolana

pozzolana vs. pozzuolana

cement vs. pozzolana

mortar vs. pozzolana

ash vs. pozzolana

pozzolana vs. volcanic