"quercin" meaning in English

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  "etymology_text": "quercus (“oak”) + -in",
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      "glosses": [
        "A form of tannic acid extracted from acorns and oak-bark."
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      "id": "en-quercin-en-noun-vM1Aw0Xk",
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        "(organic chemistry) A form of tannic acid extracted from acorns and oak-bark."
      ],
      "synonyms": [
        {
          "word": "quercic acid"
        },
        {
          "word": "quercinic acid"
        }
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        "chemistry",
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  "word": "quercin"
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  "etymology_text": "quercus (“oak”) + -in",
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        "A form of tannic acid extracted from acorns and oak-bark."
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        "(organic chemistry) A form of tannic acid extracted from acorns and oak-bark."
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  "synonyms": [
    {
      "word": "quercic acid"
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    {
      "word": "quercinic acid"
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  "word": "quercin"
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