farnesol

noun

far·ne·sol | \ ˈfär-nə-ˌsȯl

, -ˌzȯl

, -ˌsōl, -ˌzōl\

Medical Definition of farnesol

: a liquid alcohol C₁₅H₂₅OH that has a floral odor and that occurs in various essential oils (as citronella oil)