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单词 fusel oil
释义

fusel oil


fu·sel oil

F0373900 (fyo͞o′zəl)n. An acrid, oily, poisonous liquid mixture of amyl alcohols, occurring in incompletely distilled alcoholic liquids and used as a solvent and in the manufacture of explosives and pure amyl alcohols.
[German Fusel, bad liquor, from Low German.]

fusel oil

(ˈfjuːzəl) or

fusel

n (Elements & Compounds) a mixture of amyl alcohols, propanol, and butanol: a by-product in the distillation of fermented liquors used as a source of amyl alcohols[C19: from German Fusel bad spirits]

fu′sel oil`

(ˈfyu zəl, -səl)
n. a mixture consisting chiefly of amyl alcohols. [1855–60; < German Fusel bad liquor]
Thesaurus
Noun1.fusel oil - a mixture of amyl alcohols and propanol and butanol formed from distillation of fermented liquorsoil - a slippery or viscous liquid or liquefiable substance not miscible with water

fusel oil


fusel oil

(fyo͞o`zəl), oily, colorless liquid with a disagreeable odor and taste. It is a mixture of alcohols (largely amyl alcohols) and fatty acids, formed during the alcoholic fermentation of organic materials. After imperfect distillation of these fermentation products it becomes an impurity in the distilled liquor. Fusel oil is used as a solvent in the manufacture of certain lacquers and enamels (it dissolves nitrocellulose). It has a detrimental effect on the human system.

Fusel Oil

 

a by-product of ethyl alcohol fermentation. Ethyl alcohol may yield 0.4–0.6 percent fusel oil, with a density of 0.83–0.84 g/cm3 at 20°C. The fusel oil is in the form of a light yellow to dark reddish brown oily liquid with an unpleasant odor that irritates the mucous membranes of the respiratory tract. In chemical composition fusel oil is a mixture of monohydric aliphatic alcohols, including isopentyl and isobutyl alcohols, with impurities of acids, aldehydes, and other compounds. Fusel oil is poisonous.

The mixture of amyl alcohols obtained from fusel oil is used in the production of amyl acetate, and the mixture of hexyl, heptyl, octyl, and nonyl alcohols is used in the preparation of fragrances.

fusel oil

[′fyü·zəl ‚ȯil] (materials) A volatile, poisonous mixture of isoamyl, butyl, propyl, and heptyl alcohols produced as by-products in alcoholic fermentation of starches, grains, or fruits to produce ethyl alcohol.
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