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  1. acid

    • IPA[ˈasəd]

    美式

    • n.
      a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.;bitter or cutting remarks or tone of voice
    • adj.
      containing acid or having the properties of an acid; having a pH of less than 7.;sharp-tasting or sour
    • noun: acid, plural noun: acids

    • 釋義
    • 相關詞
    • n.
      名詞
    • 1. a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.

      traces of acid

      rainwater is a very weak acid

    • 2. bitter or cutting remarks or tone of voice:

      she was unable to quell the acid in her voice

    • 3. a molecule or other entity that can donate a proton or accept an electron pair in reactions.
    • 4. the drug LSD:

      she didn't have a clue the candy had acid in it

      a bad acid trip

    • adj.
      形容詞
    • 1. containing acid or having the properties of an acid; having a pH of less than 7.

      poor, acid soils

    • 2. sharp-tasting or sour:

      acid fruit

    • 3. (of a person's remarks or tone) bitter or cutting:

      she was stung into acid defiance

    • 4. (of a color) intense or bright:

      an acid green

    • 5. (of rock, especially lava) containing a relatively high proportion of silica:

      the magma may start off fairly basic and end up at the close of the eruption much more acid

    • 6. relating to or denoting steelmaking processes involving silica-rich refractories and slags:

      the acid Bessemer process

    • n. a colourless liquid acid with strong oxidizing properties.

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    • n. a colorless liquid acid with strong oxidizing properties.

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    • n. a toxic crystalline acid containing arsenic, used as a herbicide.

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    • n. a solution of osmium tetroxide.

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    • n. a colourless liquid fatty acid present in various plant oils, used in making perfumes.

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    • adj. denoting a secondary cell or battery in which the electrodes are plates or grids of lead (or lead alloy) immersed in dilute sulfuric acid. The anode is coated with lead dioxide and the cathode with spongy lead.

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    • n. a crystalline compound of which derivatives occur in many animal substances, chiefly as sialic acids.

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    • n. a corrosive and strongly oxidizing acid existing only in solutions of chromium trioxide.

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    • IPA[ˈasɪd]

    英式

    • n.
      a substance with particular chemical properties including turning litmus red, neutralizing alkalis, and dissolving some metals; typically, a corrosive or sour-tasting liquid of this kind.
    • trees were exposed to mixtures of heavy metals, acids, and overdoses of nutrients

      traces of acid

    • adj.
      containing acid or having the properties of an acid; having a pH of less than 7.
    • acid soils

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  2. 知識+

    • About acid

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    • biosynthesis of amino acid

      An amino acid that does not derive its carbon skeleton, at least in part, from OAA...methionine (英文的專有名詞,翻了並沒有多大的用處) 其中,aspartate 就是 aspartic acid。 而 aspartic acid 跟 oxaloacetic acid 是有關連的,變化如下: aspartic acid &larr...

    • Drop Acid, Not Bombs ?????

      ...了一張美國越戰時期反戰運動遊行的照片有個人手上拿著標語" Drop Acid, Not Bombs!!!"奇怪,怎麼不是 aid 而是 acid 呢??? 是不是寫...