- Dictionary
- Word comparison: micron vs. nanometer
micron vs. nanometer
noun
plural
microns, micraAlso called micrometer. the millionth part of a meter. μ, mu
Physical Chemistry., a colloidal particle whose diameter is between 0.2 and 10 microns.
Physics., a very small unit of pressure, equal to that exerted by a column of mercury 1μ high.
noun
one billionth of a meter. nm