We don't have synonyms for isoglosses yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are isogloss, isoglossal and isoglossic.
(n) :
(linguistics) A line on a map indicating the geographical boundaries of a linguistic feature.
(n) :
(linguistics) A linguistic feature shared between languages or language varieties, through any of various mechanisms, whether genetic inheritance or other linguistic forces.
(n) :
(linguistics) A line on a map indicating the geographical boundaries of a linguistic feature.
(n) :
(linguistics) A linguistic feature shared between languages or language varieties, through any of various mechanisms, whether genetic inheritance or other linguistic forces.