Main Entry:

poz·zo·la·na

Pronunciation:

\ˌpät-sə-ˈlä-nə\

Variant(s):

or poz·zo·lan \ˈpät-sə-lən\

Function:

noun

Etymology:

Italian pozzolana

Date:

circa 1706

: finely divided siliceous or siliceous and aluminous material that reacts chemically with slaked lime at ordinary temperature and in the presence of moisture to form a strong slow-hardening cement

— poz·zo·la·nic \ˌpät-sə-ˈla-nik, -ˈlä-\ adjective