isohyet
/ˈaɪsəhaɪɪt/
noun
- A line on a map connecting places that receive the same amount of rainfall.
- Meteorologists drew an isohyet to show where the drought was most severe.
- The isohyet for 40 inches of rain runs through the middle of the region.
- By looking at the isohyets, you can see which parts of the country are wettest.