Definition of monosemy in English:

monosemy

noun

Linguistics
  • [mass noun] The property of having only one meaning.

    • ‘These concern the distinction between polysemy and homonymy, and between polysemy and monosemy.’

Origin

1950s: from mono- ‘one’ + Greek sēma sign + -y.

Pronunciation:

monosemy

/ˈmɒnə(ʊ)ˌsiːmi/