flowtop

发音

US /ˈfloʊtɑp/

词形变化

flowtops 复数 flowtops

释义与例句

n.
  1. 1.

    The solid crust on a moving lava flow.

    地质

    they formed as gas vented from fixed sources at depth, ripping continuous openings through the moving flowtop.

词源

From flow + top.

来源：wiktionary