Superplume

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A large mantle plume.
  2. 2
    An extremely large plume of something (gas, mist, etc.); a megaplume.

    "During this period, giant megaplumes exploded from deep within the earth, expelling huge quantities of molten material. These structures spread across the earth's surface, becoming ten times larger than average plumes. These “superplume” explosions were responsible for the volcanic activity that affected the ocean floor during the mid-Cretaceous period about 90 million to 100 million years ago."

Synonyms

All synonyms
llsvp

Example

More examples

"During this period, giant megaplumes exploded from deep within the earth, expelling huge quantities of molten material. These structures spread across the earth's surface, becoming ten times larger than average plumes. These “superplume” explosions were responsible for the volcanic activity that affected the ocean floor during the mid-Cretaceous period about 90 million to 100 million years ago."

Etymology

From super- + plume.

Related phrases

mantle plume

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