English

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Etymology

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From eruption +‎ -al.

Adjective

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eruptional (comparative more eruptional, superlative most eruptional)

  1. eruptive
    • 1873, Richard A. Proctor, The Borderland of Science: A Series of Familiar Dissertations on Stars, Planets, and Meteors:
      [T]he inferiority (for instance) of the major planets compared with the sun, is compensated by the inferior attractive power which their eruptional forces have to overcome.
  2. of or pertaining to an eruption
    eruptional disease
    eruptional occlusion
    eruptional stage

References

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