Definition of exoglossic in English:

exoglossic

adjective

Linguistics
  • Denoting or relating to a non-indigenous language that is used as an official or second language in a particular country or community.

    ‘Linguistically, what is today the Republic of India is an unfragmented, multilingual, part-exoglossic, multinational State.’
    Compare with endoglossic
    ‘All the remaining states may be classified as exoglossic without a national language.’

Origin

1980s from exo-, Greek glōssa ‘language, tongue’, and -ic.

Pronunciation

exoglossic

/ˌɛksə(ʊ)ˈɡlɒsɪk/