what is a gradient in math
gradient. The rate of inclination to horizontal expressed as a ratio, such as 1:25, indicating a one unit rise to 25 units of horizontal distance.rade-the gradient of a slope or road or other surface; the road had a steep grade. rake, slant, pitch-degree of deviation from a horizontal plane; the roof had a steep pitch. precipitousness, steepness, abruptness-the property possessed by a slope that is very steep.