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Definition of Nanometer
1. Noun. A metric unit of length equal to one billionth of a meter.
Exact synonyms: Micromillimeter, Micromillimetre, Millimicron, Nanometre, Nm
Generic synonyms: Metric Linear Unit
Terms within: A, Angstrom, Angstrom Unit
Group relationships: Micrometer, Micron
Generic synonyms: Metric Linear Unit
Terms within: A, Angstrom, Angstrom Unit
Group relationships: Micrometer, Micron
Definition of Nanometer
1. [n -S]
Medical Definition of Nanometer
1. One-billionth of a meter (10-9 m). Abbreviation: nm (05 Mar 2000)