Micron

Pronunciation

• IPA: /ˈmaɪkrÉ’n/

Origin

New Latin, from Ancient Greek μικρόν, neuter of μικρός ("small").

Full definition of micron

Noun

1. (physics) A unit of length; the thousandth part of one millimeter; the millionth part of a meter.
• 2009, Jonathan Amos, (bbc.co.uk) Satellites weigh California waterAs one spacecraft lurches and drags through the Earth's uneven gravity field, the second follows 210 km behind, measuring changes in their separation to the nearest micron (a thousandth of a millimetre).

Synonyms

• micrometre, micrometer

Derived terms

• micronise, micronize