
1) The sense of smell
Found on
https://www.crosswordclues.com/clue/olfaction

Olfaction, also known as olfactics, is the sense of smell. This sense is mediated by specialized sensory cells of the nasal cavity of vertebrates, which can be considered analogous to sensory cells of the antennae of invertebrates. In humans, olfaction occurs when odorant molecules bind to specific sites on the olfactory receptors. These receptors...
Found on
http://en.wikipedia.org/wiki/Olfaction

• (n.) The sense by which the impressions made on the olfactory organs by the odorous particles in the atmosphere are perceived.
Found on
http://thinkexist.com/dictionary/meaning/olfaction/

The sense of smell.
Found on
http://www.cancer.gov/dictionary?expand=O

(ol-fak´shәn) smell.
Found on
http://www.encyclo.co.uk/local/21001
Ol·fac'tion noun [ See
Olfactory .]
(Physiol.) The sense by which the impressions made on the olfactory organs by the odorous particles in the atmosphere are perceived.
Found on
http://www.encyclo.co.uk/webster/O/16

The sense of smell.
Found on
http://www.gadsbywicks.co.uk/uploaded/3822.pdf

Type: Term Pronunciation: ol-fak′shŭn Definitions: 1. The sense of smell. 2. The act of smelling. Synonyms: osmesis, osphresis
Found on
http://www.medilexicon.com/medicaldictionary.php?t=62428

Olfaction: The sense of smell, part of the chemical sensing system, or the chemosenses. Sensory cells in the nose, mouth, and throat have a role in helping interpret smells and taste flavors. Microscopic molecules released by substances (foods, flowers, etc.) stimulate these sensory cells. Once the cells detect the molecules they send messages to t...
Found on
http://www.medterms.com/script/main/art.asp?articlekey=4624

olfaction 1. The sense of smell or the ability to perceive and distinguish odors. 2. The act of smelling, perceiving, and distinguishing odors.
Found on
http://www.wordinfo.info/words/index/info/view_unit/1459/

The sense of smell.
Found on
https://academy.allaboutbirds.org/bird-academys-a-to-z-glossary-of-bird-ter

The faculty which helps us to discern scents.
Found on
https://www.encyclo.co.uk/local/22233
No exact match found.