"nitrogen mustard" meaning in English

{
  "forms": [
    {
      "form": "nitrogen mustards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "nitrogen mustard (plural nitrogen mustards)",
      "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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        },
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          "kind": "other",
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          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any of a series of compounds, analogous to mustard gas with sulfur replaced by nitrogen, that have been used in the treatment of cancer."
      ],
      "hyponyms": [
        {
          "word": "mechlorethamine"
        },
        {
          "word": "cyclophosphamide"
        },
        {
          "word": "ifosfamide"
        },
        {
          "word": "trofosfamide"
        },
        {
          "word": "chlorambucil"
        },
        {
          "word": "melphalan"
        },
        {
          "word": "prednimustine"
        },
        {
          "word": "bendamustine"
        },
        {
          "word": "uramustine"
        },
        {
          "word": "estramustine"
        }
      ],
      "id": "en-nitrogen_mustard-en-noun-JCwWwUN7",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "mustard gas",
          "mustard gas"
        ],
        [
          "sulfur",
          "sulfur"
        ],
        [
          "cancer",
          "cancer"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Any of a series of compounds, analogous to mustard gas with sulfur replaced by nitrogen, that have been used in the treatment of cancer."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "dànjiè",
          "sense": "series of compounds",
          "word": "氮芥"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "series of compounds",
          "word": "typpisinappikaasu"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "series of compounds",
          "tags": [
            "feminine"
          ],
          "word": "moutarde azotée"
        }
      ],
      "wikipedia": [
        "nitrogen mustard"
      ]
    }
  ],
  "word": "nitrogen mustard"
}

{
  "forms": [
    {
      "form": "nitrogen mustards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "nitrogen mustard (plural nitrogen mustards)",
      "name": "en-noun"
    }
  ],
  "hyponyms": [
    {
      "word": "mechlorethamine"
    },
    {
      "word": "cyclophosphamide"
    },
    {
      "word": "ifosfamide"
    },
    {
      "word": "trofosfamide"
    },
    {
      "word": "chlorambucil"
    },
    {
      "word": "melphalan"
    },
    {
      "word": "prednimustine"
    },
    {
      "word": "bendamustine"
    },
    {
      "word": "uramustine"
    },
    {
      "word": "estramustine"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
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        "English multiword terms",
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        "Entries with translation boxes",
        "Mandarin terms with redundant transliterations",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with French translations",
        "Terms with Mandarin translations",
        "en:Chemistry"
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      "glosses": [
        "Any of a series of compounds, analogous to mustard gas with sulfur replaced by nitrogen, that have been used in the treatment of cancer."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "mustard gas",
          "mustard gas"
        ],
        [
          "sulfur",
          "sulfur"
        ],
        [
          "cancer",
          "cancer"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Any of a series of compounds, analogous to mustard gas with sulfur replaced by nitrogen, that have been used in the treatment of cancer."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "wikipedia": [
        "nitrogen mustard"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "dànjiè",
      "sense": "series of compounds",
      "word": "氮芥"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "series of compounds",
      "word": "typpisinappikaasu"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "series of compounds",
      "tags": [
        "feminine"
      ],
      "word": "moutarde azotée"
    }
  ],
  "word": "nitrogen mustard"
}