adjective
- of or relating to an isogloss; marking or defined by a boundary line on a map showing the geographic distribution of a linguistic feature
Usage: linguistics; technical
Examples
- The isoglossal boundary between the two dialects runs through the valley.
- Linguists use isoglossal lines to map regional variations in pronunciation.
- The isoglossal pattern revealed distinct speech communities in the region.
- Researchers plotted isoglossal data to understand language change over time.