isogloss Hear it!

isogloss definition

iso·gloss (ī′sō glôs′, -sə-)

noun

  1. a line of demarcation between regions differing in a particular feature of language, as on a point of pronunciation, vocabulary, etc.
  2. such a line indicated on a map

Etymology: < iso- + Gr glōssa, tongue, speech: see gloss

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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