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2017 Word of the Year

sech

Symbol, Mathematics.
1.
hyperbolic secant.
Origin of sech
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for sech

sech

/ʃɛk; sɛtʃ; ˈsɛkˈeɪtʃ/
noun
1.
hyperbolic secant; a hyperbolic function that is the reciprocal of cosh
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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sech in Science
sech  
Abbreviation of hyperbolic secant
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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