Georeactor

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A geologically occurring slow fission reactor, especially in the Earth's past.

    "Physicists analyzing a tiny sample of this ancient georeactor—discovered in the African country of Gabon in 1972—have now determined how it worked."

  2. 2
    Any man-made industrial structure built into the Earth's crust and operating on the principle of nuclear fission.
  3. 3
    The theorized natural fission reactor at the center of the Earth which would account for the geomagnetic field.

Example

More examples

"Physicists analyzing a tiny sample of this ancient georeactor—discovered in the African country of Gabon in 1972—have now determined how it worked."

Etymology

From geo- + reactor.

Related phrases

earth's crustfission reactorgeomagnetic fieldman madenuclear fissionslow fission

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