IPA: /ˌɪntərˈmaʊntən/
KK: /ɪntərˈmaʊntən/
Describing an area that is situated between mountain ranges, particularly in the western United States.
The intermountain region is known for its diverse landscapes and unique ecosystems.
Intermountain → It is formed from "inter-" (meaning between) and "mountain" (from Latin "mons, montis" meaning mountain). The word describes regions that are situated between mountain ranges.
Think of areas that are 'between' ('inter-') 'mountains' — that's what intermountain refers to.