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pozzolana

[ pot-suh-lah-nuh; Italian pawt-tsaw-lah-nah ]

/ ˌpɒt səˈlɑ nə; Italian ˌpɔt tsɔˈlɑ nɑ /

noun

a porous variety of volcanic tuff or ash used in making hydraulic cement.

Nearby words

poynting-robertson effect, poza rica de hidalgo, poznań, pozsony, pozzolan, pozzolan, pozzolanic, pozzuolana, pozzuoli, pozzy, poços de caldas

Also poz·zo·lan

[pot-suh-luh n] /ˈpɒt sə lən/, poz·zuo·la·na

[pot-swuh-lah-nuh; Italian pawt-tswaw-lah-nah] /ˌpɒt swəˈlɑ nə; Italian ˌpɔt tswɔˈlɑ nɑ/, puzzolan, puzzolana.

Origin of pozzolana

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019