DictionarymicronUnit of length
noun

micron

MY-krahn/ˈmaɪkrɑːn/

A unit of length equal to one millionth of a meter.

The scale bar beside the magnified bacterium measures one micron.

A magnified rod-shaped bacterium beside a clearly marked one-micron scale bar, making the microscopic unit a concrete measured length.
Etymology

The Greek word for “small” became the name of a precise scientific length, one millionth of a meter, rather than a general description of size.

In context

i24NEWS English88:41
H if the plastic particles breaks up it does not stop at Micron size it can actually go even smaller so once it the size goes below one micron people call it nanoplastics
🔴 ISRAEL-HAMAS WAR DAY 98: ISRAEL PRESENTS ARGUMENTS AT ICJ

More examples

  • This filter traps particles larger than five microns.
  • The film is only one micron thick.
  • One thousand microns equal one millimeter.

Forms

micron · microns

Similar words

micrometer
The standard scientific name for exactly the same unit.