> Glossar > Nanometer 6. November 2020 The term “nano” is derived from the Greek word nanos, dwarf. Abbreviation nm. A nm is one millionth of a millimeter or 1/1.000,000,000 (1/1 billion) of a meter. Synonyms: nmRelated Articles: Chemiker erzeugen das feinste Gewebe der WeltGlossary: VesicleGlossary: NanoscaleGlossary: Electron microscopyGlossary: Aerosols