"neoadjuvant" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "neo",
        "3": "adjuvant"
      },
      "expansion": "neo- + adjuvant",
      "name": "prefix"
    }
  ],
  "etymology_text": "From neo- + adjuvant.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "neoadjuvant (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "langcode": "en",
          "name": "Medicine",
          "orig": "en:Medicine",
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            "Healthcare",
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        }
      ],
      "coordinate_terms": [
        {
          "word": "postneoadjuvant"
        }
      ],
      "derived": [
        {
          "word": "neoadjuvancy"
        },
        {
          "word": "neoadjuvant therapy"
        },
        {
          "word": "neoadjuvantly"
        }
      ],
      "glosses": [
        "Describing an adjuvant preparation given before a course of treatment."
      ],
      "id": "en-neoadjuvant-en-adj-gHAMc5SU",
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "adjuvant",
          "adjuvant"
        ]
      ],
      "raw_glosses": [
        "(medicine) Describing an adjuvant preparation given before a course of treatment."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "neoadjuvant"
}

{
  "coordinate_terms": [
    {
      "word": "postneoadjuvant"
    }
  ],
  "derived": [
    {
      "word": "neoadjuvancy"
    },
    {
      "word": "neoadjuvant therapy"
    },
    {
      "word": "neoadjuvantly"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "neo",
        "3": "adjuvant"
      },
      "expansion": "neo- + adjuvant",
      "name": "prefix"
    }
  ],
  "etymology_text": "From neo- + adjuvant.",
  "head_templates": [
    {
      "args": {
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      },
      "expansion": "neoadjuvant (not comparable)",
      "name": "en-adj"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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      "glosses": [
        "Describing an adjuvant preparation given before a course of treatment."
      ],
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "adjuvant",
          "adjuvant"
        ]
      ],
      "raw_glosses": [
        "(medicine) Describing an adjuvant preparation given before a course of treatment."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "neoadjuvant"
}