olfaction

Borrowed from Middle French olfaction / olefaction, from Latin olfactus, perfect passive participle of olfaciō (“to smell (transitive)”) + -tion.

• (General American) IPA^(key): /oʊlˈfækʃən/

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olfaction (plural olfactions)

1. The sense of smell; the detection of airborne molecules.
   • 2019, Bill Bryson, The Body: A Guide for Occupants, Black Swan (2020), page 105:

     ‘I think the single most extraordinary aspect of olfaction is that we all smell the world differently,’ Beauchamp told me.

• vomerolfaction

• olfactory

• olfaction on Wikipedia.Wikipedia

From Latin olfactus +‎ -ion.

• IPA^(key): /ɔl.fak.sjɔ̃/

• Audio:

  (file)

olfaction f (plural olfactions)

1. olfaction

   Synonym: odorat

• “olfaction”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.