"Marie Antoinette syndrome" meaning in English

{
  "etymology_text": "The hair of Queen Marie Antoinette of France is said to have turned white after her capture.",
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
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          "name": "English entries with incorrect language header",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Hair",
          "orig": "en:Hair",
          "parents": [
            "Body parts",
            "Body",
            "Anatomy",
            "Human",
            "Biology",
            "Medicine",
            "All topics",
            "Sciences",
            "Fundamental"
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        }
      ],
      "glosses": [
        "A sudden whitening of the hair."
      ],
      "id": "en-Marie_Antoinette_syndrome-en-name-5iMNQNdi",
      "links": [
        [
          "whiten",
          "whiten"
        ],
        [
          "hair",
          "hair"
        ]
      ],
      "related": [
        {
          "word": "alopecia areata"
        }
      ]
    }
  ],
  "word": "Marie Antoinette syndrome"
}

{
  "etymology_text": "The hair of Queen Marie Antoinette of France is said to have turned white after her capture.",
  "head_templates": [
    {
      "args": {
        "head": "Marie Antoinette syndrome"
      },
      "expansion": "Marie Antoinette syndrome",
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "related": [
    {
      "word": "alopecia areata"
    }
  ],
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        "en:Hair"
      ],
      "glosses": [
        "A sudden whitening of the hair."
      ],
      "links": [
        [
          "whiten",
          "whiten"
        ],
        [
          "hair",
          "hair"
        ]
      ]
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  ],
  "word": "Marie Antoinette syndrome"
}