/ (ˌpɒtswəˈlɑːnə) /
a type of porous volcanic ash used in making hydraulic cements
any of various artificial substitutes for this ash used in cements
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What does “clement” mean?
German name: puzzolana
Word Origin for pozzuolana
C18: from Italian: of Pozzuoli
Words nearby pozzuolana
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Example sentences from the Web for pozzuolana
An artificial product which serves perfectly as a pozzuolana is granulated blast-furnace slag.
In 1775 he discovered in the Velay a rich deposit of pozzuolana, which in due course was worked by the government.