"acid of sugar" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "1784 July 4, “History of the Royal Academy of Sciences, for the year 1780”, in A New Review, volume 6, page 57",
          "text": "If you distil the nitrous acid on silk, wool, hairs, or skin, you obtain a certain quantity of animal oil, different from that which forms fat, and a portion of acid similar to the acid of sugar […]",
          "type": "quotation"
        },
        {
          "ref": "1828, John Murray, A Manual of Experiments illustrative of Chemical Science, page 4",
          "text": "This is not all: who would suspect under the specious guise of “acid of sugar,” an envenomed drug?",
          "type": "quotation"
        },
        {
          "ref": "1829, Shirley Palmer, Popular illustrations of medicine, page 101",
          "text": "It exists plentifully in several well-known plants, as the beautiful Wood-sorrel; but, obtainable from saccharine matter by a chemical process, it has acquired the vulgar name of Acid of Sugar.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "oxalic acid"
      ],
      "id": "en-acid_of_sugar-en-noun-G7fwwWyz",
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        "(obsolete, organic chemistry) oxalic acid"
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  "word": "acid of sugar"
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  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "1784 July 4, “History of the Royal Academy of Sciences, for the year 1780”, in A New Review, volume 6, page 57",
          "text": "If you distil the nitrous acid on silk, wool, hairs, or skin, you obtain a certain quantity of animal oil, different from that which forms fat, and a portion of acid similar to the acid of sugar […]",
          "type": "quotation"
        },
        {
          "ref": "1828, John Murray, A Manual of Experiments illustrative of Chemical Science, page 4",
          "text": "This is not all: who would suspect under the specious guise of “acid of sugar,” an envenomed drug?",
          "type": "quotation"
        },
        {
          "ref": "1829, Shirley Palmer, Popular illustrations of medicine, page 101",
          "text": "It exists plentifully in several well-known plants, as the beautiful Wood-sorrel; but, obtainable from saccharine matter by a chemical process, it has acquired the vulgar name of Acid of Sugar.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "oxalic acid"
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        "(obsolete, organic chemistry) oxalic acid"
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  "word": "acid of sugar"
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