Gradient

Webster's Dictionary of the English Language

·adj Moving by steps; walking; as, gradient automata.

II. Gradient ·adj Adapted for walking, as the feet of certain birds.

III. Gradient ·noun The rate of regular or graded ascent or descent in a road; grade.

IV. Gradient ·noun A part of a road which slopes upward or downward; a portion of a way not level; a grade.

V. Gradient ·adj Rising or descending by regular degrees of inclination; as, the gradient line of a railroad.

VI. Gradient ·noun The rate of increase or decrease of a variable magnitude, or the curve which represents it; as, a thermometric gradient.