Definition of nanometer in English:


Syllabification: nan·o·me·ter
Pronunciation: /ˈnanəˌmētər
(British nanometre
, abbreviation: nm)


  • One billionth of a meter.
    More example sentences
    • These things are measured in nanometres, with a nanometre being a millionth of a millimetre, or about as far as a fingernail grows in a second.
    • The grids comprise carbon nanotubes - long, hollow cylinders of pure carbon a few millionths of a millimetre across and several thousand nanometres long.
    • Nanotechnology is used to study the fabrication and manipulation of structures that range in size from one hundred nanometres to a single nanometre (or a billionth of a metre).

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a slit made by cutting with a saw