microfinish

English

Etymology

From micro- +‎ finish.

Noun

microfinish (plural microfinishes)

1. a positive integer used as a measure of the smoothness of any surface; higher numbers indicate rougher surfaces
   • 1995 U.S. international Trade Commission - Certain Portable On-Car Disc Brake Lathes

     One cut is required and the microfinish will be somewhere in the range of 23 microns which is better than any other lathe on the market.