roughness

noun5

1. •
   The property of being rough, coarseness.

   • The roughness of the road made me wonder if my car would fall apart.
2. •
   Something that is rough; a rough spot.

   • A variety of suitable methods for surface inspection are available to detect topographical defects induced by surface roughnesses such as scratches, digs, inclusions and spatters. — 2003
3. •
   A measure of how rough something is, such as a surface

   • The surface roughness was low.
4. •
   (US) Roughage; coarse fodder.

   • With this latter implement, the corn stalk fodder, shucks, oats, hay and other "roughness" may be finely cut up[…] — 1855
5. •
   (Scotland) Abundance, especially of food.