Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Olfaction \Ol*fac"tion\, n. [See {Olfactory}.] (Physiol.)
The sense by which the impressions made on the olfactory
organs by the odorous particles in the atmosphere are
perceived.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
olfaction
n 1: the faculty that enables us to distinguish scents [syn:
{smell}, {sense of smell}, {olfaction}, {olfactory
modality}]