Word.ws English Dictionary

superplume

superplume noun: a large mantle plume.

Noun

superplume (plural superplumes)

  1. A large mantle plume.
  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...1990, Roger Smith, Magill's Survey of Science: Earth Science Series Supplement, Volume 6, Salem Press, page 3160
    • Superplumes may increase the rate of movement in the liquid outer core, altering the force of the geodynamo.1993, Isaac Asimov, Jane Asimov, Frontiers II: More Recent Discoveries About Life, Earth, Space, and the Universe, Truman Talley Books/Dutton, page 95

Examples of superplume in a sentence

  • 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.1990, Roger Smith, Magill's Survey of Science: Earth Science Series Supplement, Volume 6, Salem Press, page 3160:
  • According to current theory, superplumes affect the shape of the crust, tectonic movement, geomagnetism, climate, and the course of evolution.1995, George Ochoa, The Timeline Book of Science, Ballantine, page 377:

Forms of superplume

pluralsuperplumes

Origin of superplume

From super- + plume.

Questions about superplume

What does superplume mean?
Superplume means a large mantle plume.
How do you use superplume in a sentence?
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.
What part of speech is superplume?
Superplume is a noun.
What is the plural of superplume?
The plural of superplume is superplumes.

Words near superplume in the dictionary

  1. superpleasing
  2. superplex
  3. superplexed
  4. superplexes
  5. superplexing
  6. superplume
  7. superplumes
  8. superplural
  9. superpluralism
  10. superpluralities
  11. superplurality

Source and license

Adapted from Wiktionary: superplume (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-superplume.wav.

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