# Gradient (disambiguation)

- Gradient (disambiguation)
**Gradient** may refer to:

* Gradient, in vector calculus, a vector field representing the maximum rate of increase of the scalar field direction of the maximum change.

* Slope or grade, referring to the inclination of a road or other geographic features

* Image gradient, a gradual change or blending of color

* In biology

** Concentration gradient, the ratio of solute concentration between two adjoining regions

** Potential gradient, the difference in electric charge between two adjoining regions

* In fluid dynamics, and earth science

** Density gradient

** Pressure gradient

** Temperature gradient

*** Geothermal gradient

*** Sound speed gradient

** Wind gradient

*Wikimedia Foundation.
2010.*

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