noun
: an instrument that combines both odometer and inclinometer features and that when drawn along a hilly road automatically computes and records the net change in elevation as the vehicle proceeds
noun
: an instrument that combines both odometer and inclinometer features and that when drawn along a hilly road automatically computes and records the net change in elevation as the vehicle proceeds
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012