Worlds of David Darling
Encyclopedia of Science
   
Home > Encyclopedia of Science

nanometer (nm)




One billionth (10-9) of a meter. It used in the measurement of intermolecular distances and wavelengths. A sheet of paper is about 100,000 nanometers thick. The nanometer has superceded the angstrom as the accepted unit for such measurements. See also nanotechnology.


Related category

   • UNITS