New technique to measure rugosity.

The rugosity or roughness of steel can be measured with various portable testers such as the srg 4000 made by phase 2, the TR100 or TR200 made by Qualitest Intnl ...........................

3 important parts

check vaginal rugosity,

hymen perforation and breast changes

'Rugosity' might suit your need, but it really depends on what you're measuring. Generally we think of a surface as being smooth if it has little high frequency deviation. The problem is that the term 'high frequency' is subjective. For example, a billiard ball is usually considered smooth, but if you were to cover your floor with thousands of them, nobody would say it's a smooth floor.