Definition of exoglossic in English:

exoglossic

adjective

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

    Compare with endoglossic
    • ‘Linguistically, what is today the Republic of India is an unfragmented, multilingual, part-exoglossic, multinational State.’
    • ‘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

/ˌeksōˈɡlôsik/