nanometer

Dictionary: nan·o·me·ter (năn'ə-mē'tər) pronunciation

n. (Abbr. nm)
One billionth (10^-9) of a meter.

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nm

A billionth of a meter (10^-9 meter). This term is now preferred over millimicron.

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length In parallel with the equally undesirable term ‘micron’, the nanometre.

Architecture: nanometer

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A unit of length used to express wavelengths of light in and near the visible spectrum; 1 nanometer equals 10^-9 meter or 10 angstroms. Abbr.nm.

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A unit of linear measure or wave length equal to one-thousand-millionth (10⁻⁹) of a meter; nm; millimicron.

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