fusel oil
fu·sel oil
noun \ˈfyü-zəl-\Definition of FUSEL OIL
: an acrid oily liquid occurring in insufficiently distilled alcoholic liquors, consisting chiefly of amyl alcohol, and used especially as a source of alcohols and as a solvent
Origin of FUSEL OIL
German Fusel bad liquor
First Known Use: 1850
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