Flowtop

//ˈfloʊtɑp// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The solid crust on a moving lava flow.

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

Example

More examples

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

Etymology

From flow + top.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.