isoglossic

/ˌaɪsoʊˈɡlɑsɪk/
adjective
  1. Relating to an isogloss, a boundary line on a map separating areas that differ in a particular linguistic feature.
    • The isoglossic line showed where people say 'soda' versus 'pop'.
    • The isoglossic boundary between the two accents runs through the middle of the state.
    • Linguists use isoglossic maps to study regional dialects.
Synonyms
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