English > millimicron: 1 sense > noun 1, quantity| Meaning | A metric unit of length equal to one billionth of a meter. |
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| Synonyms | nanometer, nanometre, nm, micromillimeter, micromillimetre |
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| Part of | micron, micrometer | A metric unit of length equal to one millionth of a meter |
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| Parts | angstrom, angstrom unit, A | A metric unit of length equal to one ten billionth of a meter (or 0.0001 micron) |
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| Broader | metric linear unit | A linear unit of distance in metric terms |
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| Spanish | micromilímetro, micromillimeter, micromillimetre, millimicron, nanómetro |
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| Catalan | micromillimeter, micromillimetre, micromil·límetre, millimicron, nanòmetre |
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