noun
- Lines on a map connecting points that have the same mean winter temperature.
Usage: plural of isocheim; technical/geographical term; used in climatology and meteorology
Examples
- Meteorologists use isocheims to map winter temperature patterns across continents.
- The isocheims on the climate map show how winter temperatures vary by latitude.
- Comparing isocheims from different decades reveals long-term climate trends.
- Agricultural planners consult isocheims to determine which crops can survive local winters.