PUZZOLAN

pozzolana

[pot-suh-lah-nuh; Italian pawt-tsaw-lah-nah]
noun
a porous variety of volcanic tuff or ash used in making hydraulic cement.
Also, pozzolan [pot-suh-luhn] , pozzuolana [pot-swuh-lah-nuh; Italian pawt-tswaw-lah-nah] , puzzolan, puzzolana.


Origin:
1905–10; < Italian < Latin puteolāna, feminine of puteolānus of Pozzuoli (< Latin Puteolī literally, little springs); see -an

Dictionary.com Unabridged

puzzolana

[poot-suh-lah-nuh; Italian poot-tsaw-lah-nah]
noun
Also, puzzolan [poot-suh-luhn] .
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
puzzolana (ˌpʊtsəˈlɑːnə)
 
n
a variant of pozzuolana

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