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wave number

the number of waves in one centimeter of light in a given wavelength; the reciprocal of the wavelength.
Origin of wave number
First recorded in 1900-05 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for wave number

wave number

(physics) the reciprocal of the wavelength of a wave ν, σ
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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wave number in Science
wave number  
The number of wave cycles per unit distance for a wave of a given wavelength.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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