perlite

n. [地]珍珠岩

词形变化

perlites 复数 perlites

别名

pearlite

释义与例句

n.
  1. 1.

    An amorphous volcanic glass formed by the hydration of obsidian.

    化学 地质
  2. 2.

    The lightweight insulating material and aggregate resulting from expanding perlite glass by heat.

词源

From French perle (“pearl”) + -ite.

来源：wiktionary