[ ˌpɒtsə'lα:nə ]
■ noun a type of volcanic ash used for mortar or for cement that sets under water.
Origin
C18: from Ital., from pozz(u)olana '(earth) of Pozzuoli ', a town near Naples.
[ ˌpɒtsə'lα:nə ]
■ noun a type of volcanic ash used for mortar or for cement that sets under water.
Origin
C18: from Ital., from pozz(u)olana '(earth) of Pozzuoli ', a town near Naples.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004