acid


Definition: Meaning of, acid in English to English dictionary.

Pronunciation: / ˈasɪd /

  • noun
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  • antonym
Word Forms:
Singular Plural
acid acids
  1. [uncountable and countable] a chemical substance that has a PH of less than 7 . Strong acids can burn holes in material or damage your skin
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  2. [uncountable] informal the drug LSD
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  • adjective
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Word Forms:
Positive Comparative Superlative
N/A N/A N/A
  1. having a sharp sour taste [=  bitter]
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  2. acid remark/comment/tone etc an acid remark uses humour in an unkind way to criticize someone
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  3. the acid test a way of finding out whether something is as good as people say it is, whether it works, or whether it is true
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  4. technical an acid soil does not contain much LIME 1 ( 3)
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acid used in phrases

  • 2-hydroxybenzoic acid (noun)
    1. a white crystalline substance with a bitter aftertaste; used as a fungicide or in making aspirin or dyes or perfumes
  • 2-methylpropenoic acid (noun)
    1. C4H6O2 an unsaturated acid used to make resins and plastics
  • Krebs citric acid cycle (noun)
    1. in all plants and animals: a series of enzymatic reactions in mitochondria involving oxidative metabolism of acetyl compounds to produce high-energy phosphate compounds that are the source of cellular energy
  • acetic acid (noun)
    1. the acid in VINEGAR
  • acetoacetic acid (noun)
    1. as diabetes mellitus or starvation unstable acid found in abnormal amounts in the blood and urine in some cases of impaired metabolism
  • acetylsalicylic acid (noun)
    1. trade names Bayer, Empirin, and St. Joseph the acetylated derivative of salicylic acid; used as an analgesic anti-inflammatory drug usually taken in tablet form; used as an antipyretic; slows clotting of the blood by poisoning platelets
  • acid anhydrides (noun)
    1. organic compounds that react with water to form an acid
  • acid dye (noun)
    1. dye in which the chromophore is part of a negative ion
  • acid halide (noun)
    1. organic compounds containing the group -COX where X is a halogen atom
  • acid head (noun)
    1. someone who takes LSD
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