Megaplume

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A very large plume or column of water.

    "A megaplume is a supermass of extremely hot rocks that moves very slowly under the surface of the earth and influences the breakup of tectonic plates."

Example

More examples

"A megaplume is a supermass of extremely hot rocks that moves very slowly under the surface of the earth and influences the breakup of tectonic plates."

Etymology

From mega- + plume.

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