Noun
The quality or state of being rough.
Source: Webster's dictionarythe crudeness of frontier dwellings depressed her Source: Internet
men associate the roughness of nonstandard working-class speech with masculinity Source: Internet
the roughness of her voice was a signal to keep quiet Source: Internet
A limiting factor on the validity of this result is the roughness of the sphere being used. Source: Internet
Another important function to a geometrically correct shape is to provide it with a specific surface roughness as per design requirements for optimum lubrication hydrodynamics (essential for crankshafts in engines with stop/start fuel saving technology). Source: Internet
Arguably, the roughness is in the exhaust note, rather than noticeable vibration, so the perceived smoothness is rather good at higher RPM. Source: Internet