Quantitative Concept
nanometer Audio
nan·o·me·ter [ nan-uh-mee-ter, ney-nuh- ]
Definitions related to nanometer:
  • (nm) A unit of length equal to one billionth of a meter (1E-9 meter). Nanometer is used as a unit for light wavelength measurement.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • A measure of length in the metric system. A nanometer is one billionth of a meter. An average human hair is about 60,000 nanometers thick. Nanometers are used to measure wavelengths of light and distances between atoms in molecules.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • A metric unit of length equal to one billionth of a meter (10E-9 meter). Nanometer is used as a unit for light wavelength measurement.
    NCI
    U.S. National Cancer Institute, 2021
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