Definitions for: Millimicron


[n] a metric unit of length equal to one billionth of a meter



Webster (1913) Definition: Mil"li*mi`cron, n. [Milli- + micron.]
The thousandish part of a micron or the millionth part of a
millimeter; -- a unit of length used in measuring light
waves, etc.

Synonyms: micromillimeter, micromillimetre, nanometer, nanometre, nm

See Also: A, angstrom, angstrom unit, metric linear unit, micrometer, micron

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