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nanometer

[nan-uh-mee-ter, ney-nuh-] /ˈnæn əˌmi tər, ˈneɪ nə-/
noun
1.
one billionth of a meter.
Abbreviation: nm.
Compare millimicron.
Origin
1960-1965
1960-65; nano- + meter1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for nanometers

nanometer

n.

also nanometre, 1963, from nano- + meter (n.2).

Online Etymology Dictionary, © 2010 Douglas Harper
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nanometers in Medicine

nanometer nan·o·me·ter (nān'ə-mē'tər)
n.
Abbr. nm
One billionth (10-9) of a meter.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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nanometers in Science
nanometer
  (nān'ə-mē'tər)   
One billionth (10-9) of a meter.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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