Definition, Meaning & Synonyms

nanometer

Noun

ˈnæn.əˌmiː.tər

Definition

A unit of measurement in the metric system, equal to one billionth (1/1,000,000,000) of a meter.

Examples

The wavelength of visible light is typically between 400 and 700 nanometers.
Many modern electronic devices use components measured in nanometers to improve performance.
Researchers often work with materials on the nanoscale, which involve measurements in nanometers.

Meaning

The nanometer is commonly used to measure things at the atomic and molecular scale, such as the wavelength of light and the dimensions of nanostructures.