noun
- a unit of length equal to one millionth of a meter
Usage: scientific; technical
Examples
- The bacteria measured only 2 microns in diameter.
- Air filters can remove particles as small as 0.3 microns.
- The thickness of human hair ranges from 17 to 180 microns.
- Scientists use microns to measure microscopic organisms.
- The semiconductor chip features components measured in microns.
- Dust particles smaller than 10 microns can penetrate deep into lungs.