pozzolan

n. 火山灰(可用作水泥原料)

词形变化

pozzolans 复数 pozzolans

别名

pozzolana

释义与例句

n.
  1. 1.

    Any material which, when combined with calcium hydroxide, exhibits cementitious properties; often used as an extender with Portland cements.

词源

From Italian pozzolana.

来源：wiktionary