Definition of monoculturist in English:

monoculturist

Pronunciation /ˌmɒnə(ʊ)ˈkʌltʃ(ə)rɪst/

noun

rare
  • A person who practises or advocates monoculture or a monocultural way of life.

Origin

1970s; earliest use found in Country Life. From monoculture + -ist.