Definition of adaptionist in English:

adaptionist

noun

  • Adaptationist.

adjective

  • 1Biology
    Biology = adaptationist.

  • 2Advocating, practising, or tending towards adaptation.

Origin

Late 19th century; earliest use found in Friends' Intelligencer & Journal. From adaption + -ist.

Pronunciation:

adaptionist

/əˈdapʃ(ə)nɪst//əˈdapʃənɪst/