1. picometer

noun. a metric unit of length equal to one trillionth of a meter.


  • femtometre
  • angstrom unit
  • A
  • metric linear unit
  • fermi
  • angstrom
  • picometre
  • micromicron

Featured Games

Sentences with picometer

1. Noun, singular or mass
Gamma ray wavelengths are even smaller than visible light wavelengths, at the picometer level!