Definition of macromutationist in English:

macromutationist

noun

Biology
  • An exponent or adherent of macromutationism.

adjective

Biology
  • Of or relating to macromutationism.

Origin

1970s; earliest use found in Proceedings of the National Academy of Sciences of the United States of America. From macromutation + -ist.

Pronunciation

macromutationist

/ˌmakrəʊmjuːˈteɪʃ(ə)nɪst//ˌmakrəʊmjuːˈteɪʃənɪst/