noun
- a unit of length equal to one billionth of a meter, used especially in measuring wavelengths and atomic dimensions
Usage: scientific
Examples
- The virus measures only 100 nanometers in diameter.
- Light wavelengths are typically measured in nanometers.
- Computer chips are manufactured with features smaller than 10 nanometers.
- DNA molecules are about 2.5 nanometers wide.
- The gold nanoparticles were 50 nanometers across.
- Scientists can now observe structures at the nanometer scale.