Definitions for nanometerˈnæn əˌmi tər, ˈneɪ nə-
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Random House Webster's College Dictionary
nan•o•me•terˈnæn əˌmi tər, ˈneɪ nə-(n.)
a unit of measure equal to one billionth of a meter.
Category: Weights and Measures
Ref: Abbr.: nm 2 1
Origin of nanometer:
1960–65
Princeton's WordNet
nanometer, nanometre, nm, millimicron, micromillimeter, micromillimetre(noun)
a metric unit of length equal to one billionth of a meter
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