"polycarboxylic" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "poly",
        "3": "carboxylic"
      },
      "expansion": "poly- + carboxylic",
      "name": "prefix"
    }
  ],
  "etymology_text": "From poly- + carboxylic.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "polycarboxylic (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with poly-",
          "parents": [],
          "source": "w"
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          "orig": "en:Chemistry",
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            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "polycarboxylic acid"
        }
      ],
      "glosses": [
        "Having multiple carboxylic functional groups."
      ],
      "id": "en-polycarboxylic-en-adj-GcstZxfU",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "carboxylic",
          "carboxylic"
        ],
        [
          "functional group",
          "functional group"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Having multiple carboxylic functional groups."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "polycarboxylic"
}

{
  "derived": [
    {
      "word": "polycarboxylic acid"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "poly",
        "3": "carboxylic"
      },
      "expansion": "poly- + carboxylic",
      "name": "prefix"
    }
  ],
  "etymology_text": "From poly- + carboxylic.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "polycarboxylic (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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    {
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      "glosses": [
        "Having multiple carboxylic functional groups."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "carboxylic",
          "carboxylic"
        ],
        [
          "functional group",
          "functional group"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Having multiple carboxylic functional groups."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "polycarboxylic"
}