A hill or ridge with a gentle slope on one side, and a steep slope on the other.
A slope or incline.
The ratio of the rates of change of a dependent variable and an independent variable, the slope of a curve's tangent.
A differential operator that maps each point of a scalar field to a vector pointed in the direction of the greatest rate of change of the scalar. Notation for a scalar field φ: ∇φ
A gradual change in color. A color gradient; gradation.
The rate at which a physical quantity increases or decreases relative to change in a given variable, especially distance.
A rate of inclination or declination of a slope.
Adapted for walking, as the feet of certain birds.
Moving by steps; walking.
Rising or descending by regular degrees of inclination.