Definition of: gradient

(grā′dē·ənt) adjective
1. Running on legs; adapted for walking or running: a gradient animal or automaton, gradient feet.
2. Rising or descending gently or by degrees: a gradient road.
—noun
1. A grade: a gradient of 1 to 50.
2. An incline; also, a ramp.
3. Meteorol. A rate of change in certain elements affecting weather conditions, as pressure, temperature, etc.: usually with reference to horizontal distance. [<L gradiens, -entis, ppr. of gradi walk]