Roughness
# Roughness

Roughness may refer to:

* Surface roughness, the roughness of a surface
* Roughness length, roughness as applied in meteorology
* International Roughness Index, the roughness of a road
* Hydraulic roughness, the roughness of land and waterway features
* Roughness (psychophysics) in psychoacoustics refers to the level of dissonance
* The 'roughness' of a line or surface, measured numerically by the Hausdorff dimension
* Roughness/resel, the resel/roughness of an image/volume
* Unnecessary roughness, a type of foul in gridiron football
