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/älˈfakt(ə)rē/  /ōl-/


1. Concerning the sense of smell. (

2. Of, relating to, or contributing to the sense of smell. (The American Heritage® Dictionary of the English Language, Fourth Edition )

Word origin: From Latin olfactorius, from olfact-, past participle stem of olfacere “to get the smell of, sniff,” from olere “emit a smell, give off a smell of” + facere “make”

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