alcohol
alcohol — noun
1. any drink — for example beer, wine, or whisky — that has a substance in it which
any drink — for example beer, wine, or whisky — that has a substance in it which can make you feel drunk if you have too much.
Esme does not drink alcohol because he is the driver tonight.
verb pattern: drink alcohol
The new café in Tainan serves coffee and cake but no alcohol.
In Taiwan you must be eighteen to buy alcohol from a shop.
Aiko avoids alcohol during the week and only has a beer on Saturday.
Drinking too much alcohol can be very bad for your liver.
用法筆記
Almost always uncountable. The plural 'alcohols' belongs to the chemistry sense (see sense 3), not this drink sense.
常見錯誤
2. the clear, colourless liquid (chemically known as ethanol) that gives beer, wine
the clear, colourless liquid (chemically known as ethanol) that gives beer, wine, and spirits the power to make you drunk, and that is also added to fuels, cleaning products, hand sanitiser, and some medicines.
The nurse rubbed alcohol on Tomás's arm before giving her the injection.
collocation: rub alcohol on something
Hand sanitiser kills germs because it contains about seventy percent alcohol.
pattern: contain X percent alcohol
Wine tasters spit out the wine so the alcohol does not affect their judgement.
The police took a blood test and found that Mr. Lin's alcohol level was twice the legal limit.
Some perfumes use alcohol as a base so the scent dries quickly on the skin.
用法筆記
Distinguish from sense 1 by what the surrounding nouns describe: bottles, parties, and behaviour point to sense 1; concentrations, percentages, blood tests, and cleaning products point to sense 2.
常見錯誤
3. in chemistry, any member of a large family of organic compounds whose molecules
in chemistry, any member of a large family of organic compounds whose molecules carry one or more -OH (hydroxyl) groups, such as methanol, ethanol, or glycerol.
Methanol and ethanol are the two simplest alcohols students learn about in school.
countable plural: alcohols
Dr. Jamal asked the class to draw the structure of three different alcohols on the board.
Ms. Huang wrote on the board that an alcohol reacts with an acid to form an ester and water.
Glycerol is an alcohol with three hydroxyl groups in its molecule.
- hydroxyl compound
very technical; emphasises the -OH functional group
用法筆記
Only this sense takes a plural ('alcohols') and the indefinite article ('an alcohol'). If the text is talking about beer, wine, or drunkenness, you almost certainly want sense 1 or 2.