noun
- plural of pozzolana; volcanic ash or other siliceous materials that react with lime to form cement
Usage: technical; construction
Examples
- The ancient Romans used pozzolanas from Mount Vesuvius in their concrete.
- Modern engineers incorporate pozzolanas to improve concrete durability.
- Natural pozzolanas are found near volcanic regions.
- The construction project required high-quality pozzolanas for the foundation.
- Artificial pozzolanas can be produced from industrial waste materials.
- These pozzolanas will enhance the strength of the cement mixture.