pozzolan
Noun
Meaning
pozzolan (plural pozzolans)
Any material which, when combined with calcium hydroxide, exhibits cementitious properties; often used as an extender with Portland cements.
Related terms
Examples
Common stabilization materials include pozzolan cement grout and polyurethane.
There is evidence that the Minoans of Crete used crushed potshards as an artificial pozzolan for hydraulic cement.
They are similar to pozzolan lime cements in their properties.