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pozzolana
[ pot-suh-lah-nuh; Italian pawt-tsaw-lah-nah ]
/ ˌpɒt səˈlɑ nə; Italian ˌpɔt tsɔˈlɑ nɑ /
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noun
a porous variety of volcanic tuff or ash used in making hydraulic cement.
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Also poz·zo·lan [pot-suh-luhn], /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.
Words nearby pozzolana
Poynting-Robertson effect, Poynting theorem, Poza Rica de Hidalgo, Poznań, Pozsony, pozzolana, pozzolanic, pozzuolana, Pozzuoli, pozzy, pp
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use pozzolana in a sentence
This shows the utter unfitness of the pozzolana beds in which the arenaria are excavated for the construction of the Catacombs.
The Catacombs of Rome|William Henry WithrowThe celebrated Pozzolana sand makes the best mortar in the world, from its gritty nature.
Museum of Antiquity|L. W. YaggyNot only the walls but the vaults were built in this pozzolana concrete, and formed one solid mass.