Definition of "isogloss" []

• A geographic boundary line delimiting the area in which a given linguistic feature occurs. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Hence, the term isogloss, from iso - ` same '+ gloss"
• "Gimbutas academia algonquian arabic assyrian athabaskan bureaucracy celtic credentialism crete dictionary elamite esperanto feminism gender geography isogloss language hat languages logic mandarin maya mediterranean mycenaean north caucasian persian phonetics proto-steppe racism sanskrit senet venetic"
• "I made this simple isogloss map to show at a glance how I would explain Proto-Steppe's development into the later proto-languages known and studied and it relates, as always, to the unpixelated view of the Wave Model of language change."