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olfaction

[ol-fak-shuh n, ohl-] /ɒlˈfæk ʃən, oʊl-/
noun
1.
the act of smelling.
2.
the sense of smell.
Origin of olfaction
1840-1850
1840-50; < Latin olfact(us) past participle of olfacere to smell (see olfactory) + -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for olfaction

olfaction

/ɒlˈfækʃən/
noun
1.
the sense of smell
2.
the act or function of smelling
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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Word Origin and History for olfaction
n.

noun of action from Latin olfactus, past participle of olfacere "to smell, get the smell of" (transitive), from olere "to emit a smell" (see odor) + facere "to make" (see factitious).

Online Etymology Dictionary, © 2010 Douglas Harper
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olfaction in Medicine

olfaction ol·fac·tion (ŏl-fāk'shən, ōl-)
n.
The sense of smell.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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