eugeosyncline

n. [地]优地槽

词形变化

eugeosynclines 复数 eugeosynclines

释义与例句

n.
  1. 1.

    A narrow rapidly subsiding geosyncline usually with volcanic materials mingled with clastic sediments.

    地质

词源

From eu- + geosyncline; first known use: 1942.

来源：wiktionary