"semisimplicity" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "semi",
        "3": "simplicity"
      },
      "expansion": "semi- + simplicity",
      "name": "prefix"
    }
  ],
  "etymology_text": "semi- + simplicity",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "semisimplicity (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "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 semi-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Quality of being semisimple."
      ],
      "id": "en-semisimplicity-en-noun-ixLm9QAT",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "semisimple",
          "semisimple"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Quality of being semisimple."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "semisimplicity"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "semi",
        "3": "simplicity"
      },
      "expansion": "semi- + simplicity",
      "name": "prefix"
    }
  ],
  "etymology_text": "semi- + simplicity",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "semisimplicity (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with semi-",
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        "en:Mathematics"
      ],
      "glosses": [
        "Quality of being semisimple."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "semisimple",
          "semisimple"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Quality of being semisimple."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "semisimplicity"
}