Definition of pervasion in US English:

pervasion

noun

  • The process of spreading through and being present or perceived in every part of something.

    ‘the increasing pervasion of technology into people's personal lives’
    ‘the pervasion of cameras means the documentation of everything’

Pronunciation

pervasion

/pərˈveɪʒ(ə)n//pərˈvāZH(ə)n/