micromicron
/ˌmaɪkroʊˈmaɪkrɑn/
noun
- A unit of length equal to one millionth of a micron, or 10⁻¹² meter; also called a picometer.
- In physics class, we learned that a micromicron is one trillionth of a meter.
- The new microscope can resolve details as small as a few micromicrons.
- The diameter of an atom is often measured in micromicrons.
Synonyms