NCIt definition : 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.;
Alternative definition : CDISC: A unit of length equal to one billionth of a meter (1E-9 meter). Nanometer
is used as a unit for light wavelength measurement. (NCI); NCI-GLOSS: 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.;