IPA: //ˈaɪsoʊˌhaɪɛt//
KK: /ˈaɪsoʊˌhaɪɛt/
A line on a map that connects places that get the same amount of rain.
The meteorologist used an isohyet to show the rainfall distribution across the region.
Isohyet → It is formed from "iso-" (from Greek "isos", meaning equal) and "hyetos" (from Greek, meaning rain). The word "isohyet" refers to a line on a map connecting points that receive equal amounts of rainfall.
Think of 'equal' ('iso-') amounts of 'rain' ('hyetos') when you picture an isohyet on a map.
No commonly confused words.