"co-stimulation" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "co",
        "3": "stimulation"
      },
      "expansion": "co- + stimulation",
      "name": "prefix"
    }
  ],
  "etymology_text": "co- + stimulation",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "co-stimulation (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"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with co-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Biology",
          "orig": "en:Biology",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The requirement of T cells for two signals in order to become fully activated."
      ],
      "id": "en-co-stimulation-en-noun-7u6zi~N~",
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "T cell",
          "T cell"
        ],
        [
          "activated",
          "activated"
        ]
      ],
      "raw_glosses": [
        "(biology) The requirement of T cells for two signals in order to become fully activated."
      ],
      "synonyms": [
        {
          "word": "costimulation"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ],
      "wikipedia": [
        "co-stimulation"
      ]
    }
  ],
  "word": "co-stimulation"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "co",
        "3": "stimulation"
      },
      "expansion": "co- + stimulation",
      "name": "prefix"
    }
  ],
  "etymology_text": "co- + stimulation",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "co-stimulation (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms prefixed with co-",
        "English uncountable nouns",
        "en:Biology"
      ],
      "glosses": [
        "The requirement of T cells for two signals in order to become fully activated."
      ],
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "T cell",
          "T cell"
        ],
        [
          "activated",
          "activated"
        ]
      ],
      "raw_glosses": [
        "(biology) The requirement of T cells for two signals in order to become fully activated."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ],
      "wikipedia": [
        "co-stimulation"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "costimulation"
    }
  ],
  "word": "co-stimulation"
}