Definition of monosyllabication in English:

monosyllabication

Pronunciation /ˌmɒnə(ʊ)sɪləbɪˈkeɪʃn/

noun

rare Linguistics
  • The process of becoming monosyllabic or of making something monosyllabic.

Origin

1950s; earliest use found in Joshua Whatmough (1897–1964). From mono- + syllabication, after monosyllabic.