An isogloss is a line drawn on a map that separates regions where a specific linguistic feature is used. For example, an isogloss might be drawn to show where the word "pop" is used instead of "soda.".
An isogloss is a line drawn on a map that separates regions where a specific linguistic feature is used. For example, an isogloss might be drawn to show where the word "pop" is used instead of "soda.".