nanometer
nounUK /ˈnænəʊˌmiːtə/
US /ˈnænoʊˌmiːtər/
A nanometer is a super tiny unit used to measure very small things.
A strand of your hair is about 80,000 nanometers wide.
RELATED WORDS
OTHER MEANINGS
2. A unit of length equal to one billionth of a meter, used in science to measure atoms and molecules.
The chip's circuits are just a few nanometers apart.
3. A scale used to describe the size of very small particles in physics and chemistry.
Scientists studied the gold particles at the nanometer level.
4. A measurement term in nanotechnology for designing tiny machines and materials.
Engineers built a sensor that works on the nanometer scale.