gravigrade
/ˈɡræv.ɪˌɡreɪd/ or /ˈɡreɪ.viˌɡreɪd/Definitions
1. noun
A type of lift or elevator that moves in a continuous chain of cars along a track, often used in coal mines or similar environments.
“The mine employed a gravigrade system to transport workers and equipment deep into the earth.”