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pozzolana

Pronunciation: /ˌpɒtsəˈlɑːnə/

Definition of pozzolana

noun

[mass noun]
  • a type of volcanic ash used for mortar or for cement that sets under water.

Origin:

early 18th century: from Italian, from pozz(u)olana '(earth) of Pozzuoli', a town near Naples

pozzolana in other Oxford dictionaries

Definition of pozzolana in the US English dictionary

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