Word Study
fusel oil
CIDE DICTIONARY
fusel oil, n. [G. fusel bad liquor.].
A hot, acrid, oily liquid, accompanying many alcoholic liquors (as potato whisky, corn whisky, etc.), as an undesirable ingredient, and consisting of several of the higher alcohols and compound ethers, but mostly of amyl alcohol; [1913 Webster]
OXFORD DICTIONARY
fusel oil, n. a mixture of several alcohols, chiefly amyl alcohol, produced usu. in small amounts during alcoholic fermentation.
Etymology
G Fusel bad brandy etc.: cf. fuseln to bungle
ROGET THESAURUS
fusel oil
Oil
N oil, fat, butter, cream, grease, tallow, suet, lard, dripping exunge, blubber, glycerin, stearin, elaine, oleagine, soap, soft soap, wax, cerement, paraffin, spermaceti, adipocere, petroleum, mineral, mineral rock, mineral crystal, mineral oil, vegetable oil, colza oil, olive oil, salad oil, linseed oil, cottonseed oil, soybean oil, nut oil, animal oil, neat's foot oil, train oil, ointment, unguent, liniment, aceite, amole, Barbados tar, fusel oil, grain oil, rape oil, seneca oil, hydrate of amyl, ghee, heating oil, #2 oil, No, 2 oil, distillate, residual oils, kerosene, jet fuel, gasoline, naphtha, stearin.For further exploring for "fusel oil" in Webster Dictionary Online