mi·cron or mi·kron (m  kr n ) |
)
m See micron (μ, mu)
[mī′kron]
Etymology: Gk, mikros, small
1 See micrometer, def. 2.
2 (in physical chemistry) a colloidal particle with a diameter between 0.2 and 10 μm.
micron,
n See micrometer.
micron
pl. micra, microns [Gr.] micrometer; one thousandth (10−3) of a millimeter or one millionth (10−6) of a meter; abbreviated μm.
micrometre
An SI unit of length equal to one millionth of a metre (10−6 m). Symbol: μm. Syn. micron (obsolete term). See nanometre.
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