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TOEFL IELTS BNC: 1597 COCA: 3238
acid
noun /ˈæsɪd/
singularacid
pluralacids
  1. 1
    [C/U] chemistry a chemical substance with a pH value (=a measure used in chemistry) of less than 7 酸,酸类(PH值小于7)

    hydrochloric acid 盐酸

     Synonyms and related words
    Types of chemical substance: acid, alkali, base...
     Synonyms and related words
    Acids: acetic acid, acid, acid...
    See also alkali
  2. 2
    [U] informal the illegal drug LSD 迷幻药(指二乙基麦角酰胺)
     Synonyms and related words
acid
adjective /ˈæsɪd/
  1. 1
    very sour 酸的;酸味的

    Add more sugar if it tastes too acid. 如果味道太酸就多加些糖。

     Synonyms and related words
  2. 2
    containing acid or consisting of an acid 含酸的;酸性的

    These plants prefer an acid soil. 这些植物喜欢酸性土壤。

     Synonyms and related words
    Acids: acetic acid, acid, acid...
  3. 3
    an acid remark or acid humour shows criticism in a way that is clever but cruel 尖酸的;刻薄的;辛辣的
     Synonyms and related words
    Words used to describe criticism: accusatory, accusing, acerbic...
     Synonyms and related words

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