n.
Pronunciation: ˌ pät-s ə - ' lä-n ə
Variant: or poz · zo · lan \ ' pät-s ə -l ə n \
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 \ ˌ pät-s ə - ' la-nik, - ' lä- \ adjective