(ˌdʒiːəʊlɪŋˈɡwɪstɪks) n (Linguistics) the study of the geographical distribution of languages
geolinguistics
the study or science of linguistics in relation to geography. — geolinguist, n. — geolinguistic, adj.See also: LinguisticsEncyclopediaSeeDialectologyThesaurusSeedialectology