"TMD" meaning in English

{
  "forms": [
    {
      "form": "TMDs",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "temporomandibular joint disorder",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "temporomandibular disorder",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "TMJD",
      "tags": [
        "alternative"
      ]
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "temporomandibular joint dysfunction"
        }
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      "glosses": [
        "Initialism of temporomandibular joint dysfunction."
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    {
      "alt_of": [
        {
          "word": "traction maintenance depot"
        }
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      ],
      "glosses": [
        "Initialism of traction maintenance depot."
      ],
      "id": "en-TMD-en-noun-7zH6HuyD",
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        "(rail transport, UK) Initialism of traction maintenance depot."
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      "topics": [
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  "word": "TMD"
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  "forms": [
    {
      "form": "TMDs",
      "tags": [
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      "form": "temporomandibular joint disorder",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "temporomandibular disorder",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "TMJD",
      "tags": [
        "alternative"
      ]
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "Initialism of temporomandibular joint dysfunction."
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        "Initialism of traction maintenance depot."
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