Definition of punctuationist in English:

punctuationist

noun

Biology
  • A person who believes in or advocates the hypothesis of punctuated equilibrium.

    • ‘In any case, no real evolutionist, whether gradualist or punctuationist, uses the fossil record as evidence in favor of evolution as opposed to special creation.’

Pronunciation

punctuationist

/pʌŋ(k)tʃʊˈeɪʃ(ə)nɪst/