- poz|zuo|la|na
- poz|zuo|la|na «POT swoh LAH nuh», noun.a volcanic rock or ash used in making hydraulic cement and containing silica, alumina, and lime: »
The aqueducts of ancient times were generally built of stone, brick, or pozzuolana (Hope Holway).
╂[< Italian pozzuolana, noun use of feminine adjective < Pozzuoli, Italy, where it was first found]
Useful english dictionary. 2012.