• Acid

    Pronunciation

    • IPA: /ˈæs.ɪd/
    • Hyphenation: a + cid

    Origin

    From French acide, from Latin acidus ("sour, acid"), from aceō ("I am sour").

    Full definition of acid

    Adjective

    acid

    1. Sour, sharp, or biting to the taste; tart; having the taste of vinegar.
      acid fruits or liquors
    2. (figuratively) Sour-tempered.
      • Anthony Trollope (1815-1882)He was stern and his face as acid as ever.
      • 1914, Louis Joseph Vance, Nobody Chapter 1, Little disappointed, then, she turned attention to "Chat of the Social World," gossip which exercised potent fascination upon the girl's intelligence. She devoured with more avidity than she had her food those pretentiously phrased chronicles of the snobocracy … distilling therefrom an acid envy that robbed her napoleon of all its savour.
    3. Of or pertaining to an acid; acidic.
    4. (music) Denoting a musical genre that is a distortion (as if hallucinogenic) of an existing genre, as in acid house, acid jazz, acid rock.

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    Noun

    acid

    (plural acids)
    1. A sour substance.
    2. (chemistry) Any of several classes of compound having the following properties:-
      1. Any of a class of water-soluble compounds, having sour taste, that turn blue litmus red, and react with some metals to liberate hydrogen, and with bases to form salts.
      2. Any compound that easily donates protons; a Brønsted acid
      3. Any compound that can accept a pair of electrons to form a covalent bond; a Lewis acid
    3. (slang) lysergic acid diethylamide

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    types of acid

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