# millimicron definition

• noun:
• A unit of size equal to one thousandth (10-3) of a micrometer or one billionth (10-9) of a meter.
• a product of length corresponding to one thousandth of a micron
• The thousandth section of a micron or the millionth section of a millimeter; -- a unit of size used in measuring light waves, etc.
• A unit of length (μμ) corresponding to 10 Ångström devices, .001 microns, or .000001 millimeters: often used in microscopy or in stating wave-lengths of light.
• a metric product of length corresponding to one billionth of a meter

## Related Sources

• Definition for "millimicron"
• A unit of size equal to one thousandth…
• Sentence for "millimicron"
• The units commonly used for this…
• Synonym for "millimicron"
• nanometer
• Hypernym for "millimicron"
• metric linear unit