Definition of isogloss in English:

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Pronunciation: /ˈʌɪsə(ʊ)ɡlɒs/


A line on a map marking an area having a distinct linguistic feature.
Example sentences
  • Such boundaries are called isoglosses and are themselves subjected to various shades of definition.
  • The following map, for example, shows several isoglosses for different grammatical features of Anishinaabemowin.
  • All words belonging to the same isogloss must have sound correspondences and clear similarities in form and meaning.


Early 20th century: from iso- 'equal' + Greek glōssa 'tongue, word'.

For editors and proofreaders

Line breaks: iso|gloss

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