Definition of attractionist in English:

attractionist

noun

historical
  • A proponent of or expert in a physical theory which asserts that attraction is a consequence of an imperceptible attractive force intrinsic to the bodies involved and which operates at a distance, as opposed to being mediated by some mechanical process or other means; especially an adherent of Newton's theory of gravitation.

Origin

Mid 18th century; earliest use found in The London Magazine. From attraction + -ist.

Pronunciation

attractionist

/əˈtrakʃ(ə)nɪst//əˈtrakʃnənɪst/