"kháng nguyên" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "抗原"
      },
      "expansion": "Sino-Vietnamese word from 抗原",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 抗原.",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "kháng nguyên",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "kháng nguyên",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sino-Vietnamese words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "vi",
          "name": "Biochemistry",
          "orig": "vi:Biochemistry",
          "parents": [
            "Biology",
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "an antigen"
      ],
      "id": "en-kháng_nguyên-vi-noun-sTIBy~6b",
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "antigen",
          "antigen#English"
        ]
      ],
      "raw_glosses": [
        "(biochemistry) an antigen"
      ],
      "related": [
        {
          "word": "kháng thể"
        }
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[xaːŋ˧˦ ŋwiən˧˧]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[kʰaːŋ˦˧˥ ŋwiəŋ˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[xaːŋ˦˧˥ ŋwiəŋ˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[kʰaːŋ˦˥ ŋwiəŋ˧˧]",
      "note": "Saigon"
    },
    {
      "ipa": "[xaːŋ˦˥ ŋwiəŋ˧˧]",
      "note": "Saigon"
    }
  ],
  "word": "kháng nguyên"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "抗原"
      },
      "expansion": "Sino-Vietnamese word from 抗原",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 抗原.",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
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      },
      "expansion": "kháng nguyên",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "kháng nguyên",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "related": [
    {
      "word": "kháng thể"
    }
  ],
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Sino-Vietnamese words",
        "Vietnamese entries with incorrect language header",
        "Vietnamese lemmas",
        "Vietnamese nouns",
        "Vietnamese terms with IPA pronunciation",
        "vi:Biochemistry"
      ],
      "glosses": [
        "an antigen"
      ],
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "antigen",
          "antigen#English"
        ]
      ],
      "raw_glosses": [
        "(biochemistry) an antigen"
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[xaːŋ˧˦ ŋwiən˧˧]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[kʰaːŋ˦˧˥ ŋwiəŋ˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[xaːŋ˦˧˥ ŋwiəŋ˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[kʰaːŋ˦˥ ŋwiəŋ˧˧]",
      "note": "Saigon"
    },
    {
      "ipa": "[xaːŋ˦˥ ŋwiəŋ˧˧]",
      "note": "Saigon"
    }
  ],
  "word": "kháng nguyên"
}