eruptional

From eruption +‎ -al.

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

• “eruptional”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.