macromutationist
/ˌmakrəʊmjuːˈteɪʃ(ə)nɪst/ /ˌmakrəʊmjuːˈteɪʃənɪst/Biology
noun
An exponent or adherent of macromutationism.
adjective
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.