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alcohol

American  
[al-kuh-hawl, -hol] / ˈæl kəˌhɔl, -ˌhɒl /

noun

  1. Also called ethyl alcohol, grain alcohol, ethanol.  Also called fermentation alcohol.  a colorless, limpid, volatile, flammable, water-miscible liquid, C 2 H 5 OH, 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.

  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, CH 3 OH, or ethyl alcohol, C 2 H 5 OH.


alcohol British  
/ ˈælkəˌhɒl /

noun

  1. Also called: ethanol.   ethyl alcohol.  a colourless flammable liquid, the active principle of intoxicating drinks, produced by the fermentation of sugars, esp glucose, and used as a solvent and in the manufacture of organic chemicals. Formula: C 2 H 5 OH

  2. a drink or drinks containing this substance

  3. chem any one of a class of organic compounds that contain one or more hydroxyl groups bound to carbon atoms. The simplest alcohols have the formula ROH, where R is an alkyl group Compare phenol See also diol triol

"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

alcohol Scientific  
/ ălkə-hôl′ /
  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.


Etymology

Origin of alcohol

1535–45; < New Latin < Medieval Latin < Arabic al-kuḥl the powdered antimony, the distillate

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Theories for the decline include federal funding, increased police enforcement, reduced alcohol consumption and a return to normal routines postpandemic.

From The Wall Street Journal

He served an Indian-style meal, with a mixed grill and a variety of curries, and no alcohol.

From The Wall Street Journal

Thomas Jefferson said he wasn’t much of a user of alcohol, he only had three or four glasses of wine a night, okay?

From The Wall Street Journal

The winners of last year's Ig Nobels included scientists who painted zebra stripes on cows to fend off flies and others who showed how drinking alcohol can help people speak a foreign language.

From Barron's

Despite the Brook incident, which took place on the eve of the third one-day international against New Zealand in Wellington prior to the Ashes series, England's alcohol consumption in Australia came under scrutiny.

From BBC