"trimethylhydroquinone" meaning in English

{
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        "2": "tri-",
        "3": "methyl",
        "4": "hydro-",
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      "expansion": "tri- + methyl + hydro- + quinone",
      "name": "af"
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  ],
  "etymology_text": "From tri- + methyl + hydro- + quinone.",
  "head_templates": [
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      "expansion": "trimethylhydroquinone (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "parents": [
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          "parents": [],
          "source": "w"
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      ],
      "glosses": [
        "A precursor of vitamin E that may be prepared from crotonaldehyde."
      ],
      "id": "en-trimethylhydroquinone-en-noun-ZGXUpJDM",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "precursor",
          "precursor"
        ],
        [
          "vitamin E",
          "vitamin E"
        ],
        [
          "crotonaldehyde",
          "crotonaldehyde"
        ]
      ],
      "raw_glosses": [
        "(chemistry) A precursor of vitamin E that may be prepared from crotonaldehyde."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "trimethylhydroquinone"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "tri-",
        "3": "methyl",
        "4": "hydro-",
        "5": "quinone"
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      "expansion": "tri- + methyl + hydro- + quinone",
      "name": "af"
    }
  ],
  "etymology_text": "From tri- + methyl + hydro- + quinone.",
  "head_templates": [
    {
      "args": {
        "1": "-"
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      "expansion": "trimethylhydroquinone (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A precursor of vitamin E that may be prepared from crotonaldehyde."
      ],
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          "chemistry",
          "chemistry"
        ],
        [
          "precursor",
          "precursor"
        ],
        [
          "vitamin E",
          "vitamin E"
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        [
          "crotonaldehyde",
          "crotonaldehyde"
        ]
      ],
      "raw_glosses": [
        "(chemistry) A precursor of vitamin E that may be prepared from crotonaldehyde."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
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  ],
  "word": "trimethylhydroquinone"
}