nanometer
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nan·o·me·ter
(năn′ə-mē′tər)n. Abbr. nm
One billionth (10-9) of a meter.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
nan•o•me•ter
(ˈnæn əˌmi tər, ˈneɪ nə-)n.
a unit of measure equal to one billionth of a meter. Abbr.: nm
[1960–65]
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Noun | 1. | nanometer - a metric unit of length equal to one billionth of a meter metric linear unit - a linear unit of distance in metric terms A, angstrom, angstrom unit - a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation micrometer, micron - a metric unit of length equal to one millionth of a meter |
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