adjective
areal
AIR-ee-uhl/ˈɛriəl/
Relating to an area or region.
The shaded map highlights the region's areal extent within its boundary.
Etymology
The base originally named open, level ground and broadened to a bounded space. The adjective ending makes areal describe something in relation to such a space or geographic region.
More examples
- Researchers measured the forest's areal coverage.
- The survey examines areal differences in rainfall.
- The linguist studies areal features shared by neighboring languages.