acid

[ as-id ]
/ ˈæs ɪd /

noun

adjective

Idioms for acid

    put on the acid, Australian Slang. to importune someone, as for money, sexual favors, or confidential information.

Origin of acid

1620–30; < Latin acidus sour, akin to ācer sharp, acētum vinegar, acescent, acicula

synonym study for acid

7. Acid, astringent are terms used figuratively of wit or humor. Acid suggests a sharp, biting, or ill-natured quality: an acid joke about an opponent. Astringent connotes severity but usually also a bracing quality, as of something applied with curative intent: astringent criticism.

OTHER WORDS FROM acid

WORDS THAT MAY BE CONFUSED WITH acid

acerbic acid acrid

Example sentences from the Web for acid

British Dictionary definitions for acid

acid
/ (ˈæsɪd) /

noun

adjective

Derived forms of acid

acidly, adverb acidness, noun acidy, adjective

Word Origin for acid

C17: (first used by Francis Bacon): from French acide or Latin acidus, from acēre to be sour or sharp

Medical definitions for acid

acid
[ ăsĭd ]

n.

adj.

Scientific definitions for acid

acid
[ ăsĭd ]

Any of a class of compounds that form hydrogen ions when dissolved in water, and whose aqueous solutions react with bases and certain metals to form salts. Acids turn blue litmus paper red and have a pH of less than 7. Their aqueous solutions have a sour taste. Compare base.

Other words from acid

acidic adjective

Cultural definitions for acid

acid

A sour-tasting material (usually in a solution) that dissolves metals and other materials. Technically, a material that produces positive ions in solution. An acid is the opposite of a base and has a pH of 0 to 7. A given amount of an acid added to the same amount of a base neutralizes the base, producing water and a salt. Common vinegar, for example, is a weak solution of acetic acid.

notes for acid

Figuratively, acid applies to anything sour or biting; for example, an “acid wit” is sharp and unpleasant.