eruptional

comparative more eruptional · superlative most eruptional

1. eruptive

   [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.

   1873, Richard A. Proctor, The Borderland of Science: A Series of Familiar Dissertations on Stars, Planets, and Meteors

2. of or pertaining to an eruption

   eruptional stage

   2 more examples

   eruptional disease

   eruptional occlusion