gradient
//ˈɡreɪ.di.ənt//
Noun
gradientSingular
gradientsPlural
1
A gradual change or transition from one color, shade, tone, or value to another.
The sunset sky displayed a beautiful gradient from orange to purple.
2
The degree of steepness of a slope, especially of a road or railway.
The road has a steep gradient of 15%.
3
In mathematics and physics, a vector quantity representing the rate and direction of change in a scalar field.
The gradient of the temperature field indicates the direction of greatest heat flow.