Variant of pozzuolana
- a volcanic rock, powdered and used in making a hydraulic cement
- a siliceous or siliceous-and-aluminous material that will, in finely divided form and in the presence of moisture, react with calcium hydroxide to form a cement
Origin: It from Classical Latin puteolana (pulvie), (powder of) Puteoli (now Italian Pozzuoli), site of the quarries
- pozzuolanic adjective
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