Definition of belletrism in English:

belletrism

noun

mass noun
  • The study or composition of essays, particularly on literary and artistic criticism, that are written and read primarily for their aesthetic effect.

    ‘a formidable piece of bibliographical belletrism’

Origin

1930s: from belles-lettres + -ism, on the pattern of belletrist.

Pronunciation

belletrism

/bɛlˈlɛtrɪz(ə)m/