"bivalency" meaning in English

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    {
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        "2": "bi",
        "3": "valency"
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      "expansion": "bi- + valency",
      "name": "prefix"
    }
  ],
  "etymology_text": "From bi- + valency.",
  "forms": [
    {
      "form": "bivalencies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {
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      "expansion": "bivalency (countable and uncountable, plural bivalencies)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "bivalence"
        }
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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          "source": "w"
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          "parents": [],
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          "parents": [],
          "source": "w"
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      ],
      "glosses": [
        "Alternative form of bivalence"
      ],
      "id": "en-bivalency-en-noun-Dn6H6sTs",
      "links": [
        [
          "bivalence",
          "bivalence#English"
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      ],
      "tags": [
        "alt-of",
        "alternative",
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "bivalency"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "bi",
        "3": "valency"
      },
      "expansion": "bi- + valency",
      "name": "prefix"
    }
  ],
  "etymology_text": "From bi- + valency.",
  "forms": [
    {
      "form": "bivalencies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
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      "expansion": "bivalency (countable and uncountable, plural bivalencies)",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "word": "bivalence"
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      ],
      "glosses": [
        "Alternative form of bivalence"
      ],
      "links": [
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          "bivalence",
          "bivalence#English"
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  ],
  "word": "bivalency"
}