nm
Mot
Contexte : « measurement »
(abbreviation) abbreviation for nanometer, a unit of length equal to one billionth of a meter. It is used to measure very tiny things like molecules and atoms.
Exemple
The scientists used an electron microscope to study structures at the nm scale.
Exemple
The width of a hair is much larger than one nm.
Exemple
How small is a nm compared to a meter?
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