1. relating to or having the properties of pozzolan, a siliceous material that reacts with lime to form cement
Usage: technical; construction

Examples

• The pozzolanic activity of fly ash makes it valuable in concrete production.
• Engineers tested the pozzolanic properties of the volcanic ash.
• Pozzolanic materials can improve the durability of cement mixtures.
• The laboratory measured the pozzolanic reactivity of various additives.
• Ancient Romans used pozzolanic volcanic ash in their concrete structures.