olfaction
ol·fac·tion
noun
1.
Origin
Borrowed from Middle French olfaction /olefaction, from Latin olfactus, perfect passive participle of olfaciō (“to smell (transitive)”) + -tion.
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.