"mad hatter disease" meaning in All languages combined

{
  "etymology_text": "\"During the 18th to 20th centuries, hat makers used mercury to stiffen felt for hats. They used a type of mercury called mercuric nitrate and worked in poorly ventilated rooms. Over time, the hatters inhaled mercury vapors. Many developed symptoms of chronic mercury poisoning, including psychosis, excitability, and tremors. These symptoms became so common in hatters that the phrase “mad as a hatter” was born.\"",
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "mad hatter disease"
      },
      "expansion": "mad hatter disease (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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Diseases",
          "orig": "en:Diseases",
          "parents": [
            "Disease",
            "Health",
            "Body",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mercury (element)",
          "orig": "en:Mercury (element)",
          "parents": [
            "Transition metals",
            "Chemical elements",
            "Metals",
            "Matter",
            "Metallurgy",
            "Chemistry",
            "Nature",
            "Technology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "erethism (neurological disorder from mercury poisoning)"
      ],
      "id": "en-mad_hatter_disease-en-noun-rRpWNz50",
      "links": [
        [
          "erethism",
          "erethism"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "mad hatter disease"
}

{
  "etymology_text": "\"During the 18th to 20th centuries, hat makers used mercury to stiffen felt for hats. They used a type of mercury called mercuric nitrate and worked in poorly ventilated rooms. Over time, the hatters inhaled mercury vapors. Many developed symptoms of chronic mercury poisoning, including psychosis, excitability, and tremors. These symptoms became so common in hatters that the phrase “mad as a hatter” was born.\"",
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "mad hatter disease"
      },
      "expansion": "mad hatter disease (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 uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Diseases",
        "en:Mercury (element)"
      ],
      "glosses": [
        "erethism (neurological disorder from mercury poisoning)"
      ],
      "links": [
        [
          "erethism",
          "erethism"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "mad hatter disease"
}