Definition of micron in English:
A unit of length equal to one millionth of a metre, used in many technological and scientific fields.
- Plastic shopping bags are currently about 15 microns thick (a micron is a thousandth of a millimetre).
- Nanowires are crystals only a few nanometers in diameter but up to several microns in length.
- While microscopic, the particles are large enough to be measured in microns, or millionths of a meter.
Late 19th century: from Greek mikron, neuter of mikros 'small'.
Definition of micron in:
- US English dictionary
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