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.
( NA-noh-MEE-ter )
Source: NCI Dictionary of Cancer Terms
Search the Glossary of Medical Terms
Newsletter
Sign up for the QuackTrack.org newsletter below!