noun
- plural of micron; units of measurement equal to one millionth of a meter
Usage: scientific; technical
Examples
- The bacteria measured only a few microns in diameter.
- Air filters can trap particles as small as 0.3 microns.
- The thickness of human hair ranges from 17 to 180 microns.
- Dust particles smaller than 10 microns can penetrate deep into the lungs.
- The microscope can detect objects down to 2 microns in size.
- Pollen grains typically measure between 10 and 100 microns.