Definition of monoculturist in US English:

monoculturist

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.

Pronunciation

monoculturist

/ˌmɒnə(ʊ)ˈkʌltʃ(ə)rɪst/