fusel oil

[ fyoo-zuhl, -suhl ]
/ ˈfyu zəl, -səl /

noun

a mixture consisting chiefly of amyl alcohols obtained as a by-product in the fermentation of grains.

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Origin of fusel oil

First recorded in1855–60, fusel oil is from the German word Fusel bad liquor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for fusel oil

British Dictionary definitions for fusel oil

fusel oil

fusel

/ (ˈfjuːzəl) /

noun

a mixture of amyl alcohols, propanol, and butanol: a by-product in the distillation of fermented liquors used as a source of amyl alcohols

Word Origin for fusel oil

C19: from German Fusel bad spirits
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for fusel oil

fusel oil
[ fyōōzəl ]

An acrid, oily, poisonous liquid occurring in the distillation products of fermented alcoholic liquids. Fusel oil is a mixture of amyl alcohols, fatty acids, and esters. It is used in paints, plastics, and varnishes, and in the manufacture of explosives.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.