"tBu" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "tert-butyl"
        },
        {
          "word": "styled as ᵗBu"
        }
      ],
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      "glosses": [
        "Abbreviation of tert-butyl, styled as ᵗBu"
      ],
      "id": "en-tBu-en-noun-CY7idzDw",
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          "organic chemistry",
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        [
          "tert-butyl",
          "tert-butyl"
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      "raw_glosses": [
        "(in combination, organic chemistry) Abbreviation of tert-butyl, styled as ᵗBu"
      ],
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  "word": "tBu"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "tert-butyl"
        },
        {
          "word": "styled as ᵗBu"
        }
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        "English entries with incorrect language header",
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      "glosses": [
        "Abbreviation of tert-butyl, styled as ᵗBu"
      ],
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          "organic chemistry",
          "organic chemistry"
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          "tert-butyl",
          "tert-butyl"
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        "(in combination, organic chemistry) Abbreviation of tert-butyl, styled as ᵗBu"
      ],
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        "organic-chemistry",
        "physical-sciences"
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    }
  ],
  "word": "tBu"
}