millimicron

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noun

A unit of length equal to one thousandth of a micron.

Similar
nanometrenanometernmmicromillimetermicromillimetre
Scrabble 17
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Meanings

nounmillimicron (plural millimicrons)

plural millimicrons

  1. A unit of length equal to one thousandth of a micron.

    Synonyms: nanometre, nanometer

Synonyms & antonyms

nounA unit of length equal to one thousandth of a micron.

Similar
nanometrenanometer

More synonyms by meaning

nouna metric unit of length equal to one billionth of a meter

Similar
nanometernanometrenmmicromillimetermicromillimetre
Broader
metric linear unit
Also see
micromillimetermicromillimetrenanometre

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From milli- + micron.

Full word history & related roots →
Cite this entry
APA

millimicron. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/millimicron

MLA

“millimicron.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/millimicron. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “millimicron,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/millimicron.

Source: millimicron on Wiktionary, CC BY-SA 4.0.