petrosilex

火成岩

词形变化

petrosilexes 复数 petrosilexes

释义与例句

n.
  1. 1.

    felsite

    化学 地质
  2. 2.

    A fine-grained, silica-rich rock composed of quartz and sometimes other minerals, similar to the chemical structure of hornstone but having a different texture.

    化学 地质

词源

From petro- + silex.

来源：wiktionary