"polyanion" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "poly",
        "3": "anion"
      },
      "expansion": "poly- + anion",
      "name": "prefix"
    }
  ],
  "etymology_text": "From poly- + anion.",
  "forms": [
    {
      "form": "polyanions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "polyanion (plural polyanions)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "_dis1": "0 0",
      "word": "polycation"
    },
    {
      "_dis1": "0 0",
      "word": "polyelectrolyte"
    },
    {
      "_dis1": "0 0",
      "word": "polyion"
    }
  ],
  "senses": [
    {
      "categories": [
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          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any anion having more than one negative charge."
      ],
      "id": "en-polyanion-en-noun-CRx~0gkR",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "anion",
          "anion"
        ],
        [
          "negative",
          "negative"
        ],
        [
          "charge",
          "charge"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Any anion having more than one negative charge."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    },
    {
      "categories": [
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          "kind": "topical",
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          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
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            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "35 65",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w+disamb"
        },
        {
          "_dis": "42 58",
          "kind": "other",
          "name": "English terms prefixed with poly-",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "28 72",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Any compound having multiple anion moieties, especially one based on a polymer."
      ],
      "id": "en-polyanion-en-noun-E4AZpeZn",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "anion",
          "anion"
        ],
        [
          "polymer",
          "polymer"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Any compound having multiple anion moieties, especially one based on a polymer."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "polyanion"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with poly-",
    "Pages with 1 entry"
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  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "poly",
        "3": "anion"
      },
      "expansion": "poly- + anion",
      "name": "prefix"
    }
  ],
  "etymology_text": "From poly- + anion.",
  "forms": [
    {
      "form": "polyanions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "polyanion (plural polyanions)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "polycation"
    },
    {
      "word": "polyelectrolyte"
    },
    {
      "word": "polyion"
    }
  ],
  "senses": [
    {
      "categories": [
        "en:Chemistry"
      ],
      "glosses": [
        "Any anion having more than one negative charge."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
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          "anion",
          "anion"
        ],
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          "negative",
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          "charge",
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        ]
      ],
      "raw_glosses": [
        "(chemistry) Any anion having more than one negative charge."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    },
    {
      "categories": [
        "en:Chemistry"
      ],
      "glosses": [
        "Any compound having multiple anion moieties, especially one based on a polymer."
      ],
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        [
          "chemistry",
          "chemistry"
        ],
        [
          "anion",
          "anion"
        ],
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        ]
      ],
      "raw_glosses": [
        "(chemistry) Any compound having multiple anion moieties, especially one based on a polymer."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "polyanion"
}