"hyposplenism" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "hypo-",
        "3": "spleno-",
        "4": "-ism"
      },
      "expansion": "hypo- + spleno- + -ism",
      "name": "af"
    }
  ],
  "etymology_text": "hypo- + spleno- + -ism",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "hyposplenism (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 hypo-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with spleno-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -ism",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A reduction in spleen function."
      ],
      "id": "en-hyposplenism-en-noun-8ed8~pJA",
      "links": [
        [
          "spleen",
          "spleen"
        ]
      ],
      "synonyms": [
        {
          "word": "hypospleny"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "wikipedia": [
        "hyposplenism"
      ]
    }
  ],
  "word": "hyposplenism"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "hypo-",
        "3": "spleno-",
        "4": "-ism"
      },
      "expansion": "hypo- + spleno- + -ism",
      "name": "af"
    }
  ],
  "etymology_text": "hypo- + spleno- + -ism",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "hyposplenism (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with hypo-",
        "English terms prefixed with spleno-",
        "English terms suffixed with -ism",
        "English uncountable nouns"
      ],
      "glosses": [
        "A reduction in spleen function."
      ],
      "links": [
        [
          "spleen",
          "spleen"
        ]
      ],
      "synonyms": [
        {
          "word": "hypospleny"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "wikipedia": [
        "hyposplenism"
      ]
    }
  ],
  "word": "hyposplenism"
}