"pentacoordination" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "penta",
        "3": "coordination"
      },
      "expansion": "penta- + coordination",
      "name": "prefix"
    }
  ],
  "etymology_text": "penta- + coordination",
  "head_templates": [
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      "expansion": "pentacoordination (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "parents": [
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        {
          "kind": "other",
          "name": "English terms prefixed with penta-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "The condition of being pentacoordinate"
      ],
      "id": "en-pentacoordination-en-noun-3hApE1Uk",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "pentacoordinate",
          "pentacoordinate"
        ]
      ],
      "raw_glosses": [
        "(chemistry) The condition of being pentacoordinate"
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "pentacoordination"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "penta",
        "3": "coordination"
      },
      "expansion": "penta- + coordination",
      "name": "prefix"
    }
  ],
  "etymology_text": "penta- + coordination",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "pentacoordination (uncountable)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      "glosses": [
        "The condition of being pentacoordinate"
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "pentacoordinate",
          "pentacoordinate"
        ]
      ],
      "raw_glosses": [
        "(chemistry) The condition of being pentacoordinate"
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "pentacoordination"
}