ol·fac·to·ry

[ol-fak-tuh-ree, -tree, ohl-] adjective, noun, plural ol·fac·to·ries.
adjective
1.
of or pertaining to the sense of smell: olfactory organs.
noun
2.
Usually, olfactories. an olfactory organ.

Origin:
1650–60; < Latin olfactōrius, equivalent to olfac(ere) to smell at, sniff (ol(ēre) to smell (akin to odor) + facere to make, do) + -tōrius -tory1

ol·fac·to·ri·ly, adverb
non·ol·fac·to·ry, adjective, noun, plural non·ol·fac·to·ries.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To olfactory
00:10
Olfactory is always a great word to know.
So is gobo. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
Collins
World English Dictionary
olfactory (ɒlˈfæktərɪ, -trɪ) [Click for IPA pronunciation guide]
 
adj
1.  of or relating to the sense of smell
 
n , -ries
2.  (usually plural) an organ or nerve concerned with the sense of smell
 
[C17: from Latin olfactus, past participle of olfacere, from olere to smell + facere to make]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

olfactory
1658, from L. olfactorius, from olfactus, pp. of olfacere "to get the smell of, sniff," from olere "give off a smell of" (see odor) + facere "make" (see factitious).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

olfactory ol·fac·to·ry (ŏl-fāk'tə-rē, -trē, ōl-)
adj.
Of, relating to, or contributing to 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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American Heritage
Science Dictionary
olfactory   (ŏl-fāk'tə-rē, ōl-)  Pronunciation Key 
Relating to or involving the organs or sense of smell.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
olfactory [(ol-fak-tuh-ree, ohl-fak-tuh-ree)]

A descriptive term for the sense of smell.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
Sac-winged bats perform elaborate courtship displays with acoustic, visual, and
  olfactory elements.
The information gathered by these cells is relayed to the mouth via a process
  called olfactory referral.
For residents who have to live next to the composting sites, though, no margin
  for olfactory error appears to be acceptable.
The size and intensity of these sniffs turn out to be important gauges of
  olfactory ability.
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