1. Also called micrometer. the millionth part of a meter. Symbol:μ, mu.
2. Physical Chemistry. a colloidal particle whose diameter is between 0.2 and 10 microns.
3. Physics. a very small unit of pressure, equal to that exerted by a column of mercury 1μ high.
"dearers can be micron."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.