millimicron

[ mil-uh-mahy-kron ]

noun,plural mil·li·mi·crons, mil·li·mi·cra [mil-uh-mahy-kruh]. /ˈmɪl əˌmaɪ krə/.
  1. a unit of length equal to one thousandth of a micron; one-billionth of a meter. Symbol: mμ

Origin of millimicron

1
First recorded in 1900–05; milli- + micron

Words Nearby millimicron

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British Dictionary definitions for millimicron

millimicron

/ (ˈmɪlɪˌmaɪkrɒn) /


noun
  1. an obsolete name for a nanometre; one millionth of a millimetre

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