isogloss

[ahy-suh-glos, -glaws]

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noun

(in the study of the geographical distribution of dialects) a line on a map marking the limits of an area within which a feature of speech occurs, as the use of a particular word or pronunciation.

Origin of isogloss

< German (1892); see iso-, gloss²

Related formsi·so·glos·sal, adjective

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Related Words for isogloss

society

British Dictionary definitions for isogloss

isogloss

noun

a line drawn on a map around the area in which a linguistic feature is to be found, such as a particular pronunciation of a given word

Derived Formsisoglossal or isoglottic, adjective

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