ridgelet
ˈrɪdʒ.let
Definitions
1. noun
A small ridge or fold in rock or other material; a small wrinkle or fold in the surface of something.
“The geologist studied the series of ridgelets in the rock face.”
2. noun
A small elevation or prominence in the surface of a landscape.
“The valley was dotted with numerous ridgelets that rose above the surrounding terrain.”