nivation
/ˌnaɪˈveɪʃən, ˌnɪv-/Definitions
1. noun
The process of wearing away rock surfaces by the persistent passage of snow or ice.
“The nivation of the mountain peak had created a unique landscape with numerous caves and crevices.”
2. noun
A feature or landform resulting from nivation, such as a small valley or a depression in the ground.
“The nivation in the alpine meadow was a favorite spot for hikers to take a break and enjoy the scenery.”