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fermentation alcohol

 - 6 dictionary results

al⋅co⋅hol

[al-kuh-hawl, -hol]
–noun
1. Also called ethyl alcohol, grain alcohol, ethanol, fermentation alcohol. a colorless, limpid, volatile, flammable, water-miscible liquid, C2H5OH, having an etherlike odor and pungent, burning taste, the intoxicating principle of fermented liquors, produced by yeast fermentation of certain carbohydrates, as grains, molasses, starch, or sugar, or obtained synthetically by hydration of ethylene or as a by-product of certain hydrocarbon syntheses: used chiefly as a solvent in the extraction of specific substances, in beverages, medicines, organic synthesis, lotions, tonics, colognes, rubbing compounds, as an automobile radiator antifreeze, and as a rocket fuel. Compare denatured alcohol, methyl alcohol.
2. whiskey, gin, vodka, or any other intoxicating liquor containing this liquid.
3. Chemistry. any of a class of chemical compounds having the general formula ROH, where R represents an alkyl group and –OH a hydroxyl group, as in methyl alcohol, CH3OH, or ethyl alcohol, C2H5OH.

Origin:
1535–45; < NL < ML < Ar al-kuḥl the powdered antimony, the distillate
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Word Origin & History

alcohol 
1543, "fine powder produced by sublimination," from M.L. alcohol "powdered ore of antimony," from Arabic al-kuhul "kohl," the fine metallic powder used to darken the eyelids, from kahala "to stain, paint." The al- is the Arabic definite article, "the." "Powdered cosmetic" was the earliest sense in Eng.; definition broadened 1672 to "any subliminated substance, the pure spirit of anything." Modern sense of "intoxicating ingredient in strong liquor" is first recorded 1753, short for alcohol of wine, which was extended to "the intoxicating element in fermented liquors." In organic chemistry, the word was extended 1850 to the class of compounds of the same type as this. Alcoholism "disease of alcohol addiction" is from 1852; alcoholic "one who is addicted to drinking in excess" is from 1891. Alcoholics Anonymous founded 1935 in Akron, Ohio, U.S. Alky is first recorded 1844 as a slang shortening of "alcoholic liquor;" 1960 in the sense of "a drunkard."
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: al·co·hol
Pronunciation: 'al-k&-"hol
Function: noun
1 a : ethanol especially when considered as the intoxicating agentin fermented and distilled liquors b : drink (as whiskey or beer) containing ethanol c : a mixture of ethanol and water that is usually 95 percent ethanol
2 : any of various compounds that are analogous to ethanol in constitution and that are hydroxyl derivatives of hydrocarbons
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

alcohol al·co·hol (āl'kə-hôl')
n.

  1. Any of a series of hydroxyl compounds derived from saturated hydrocarbons, including ethanol and methanol.

  2. A colorless, volatile, flammable liquid synthesized or obtained by fermentation of sugars and starches and widely used, either pure or denatured, as a solvent and in drugs. Also called ethanol, ethyl alcohol.

  3. Intoxicating liquor containing alcohol.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
alcohol   (āl'kə-hôl')  Pronunciation Key 
  1. Any of a large number of colorless, flammable organic compounds that contain the hydroxyl group (OH) and that form esters with acids. Alcohols are used as solvents and for manufacturing dyes, perfumes, and pharmaceuticals. Simple alcohols, such as methanol and ethanol, are water-soluble liquids, while more complex ones, like cetyl alcohol, are waxy solids. Names of alcohols usually end in -ol.

  2. Ethanol.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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