"SO₃" meaning in Translingual

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      "expansion": "SO₃",
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  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
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        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Chemical formulae",
          "orig": "mul:Chemical formulae",
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      "glosses": [
        "The molecular formula for sulfur trioxide."
      ],
      "id": "en-SO₃-mul-symbol-a1jnoz0J",
      "links": [
        [
          "molecular formula",
          "molecular formula"
        ],
        [
          "sulfur trioxide",
          "sulfur trioxide"
        ]
      ]
    }
  ],
  "word": "SO₃"
}

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      "expansion": "SO₃",
      "name": "head"
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  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
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        "Pages with entries",
        "Translingual entries with incorrect language header",
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        "Translingual symbols",
        "Translingual terms spelled with ₃",
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      "glosses": [
        "The molecular formula for sulfur trioxide."
      ],
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        [
          "molecular formula",
          "molecular formula"
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          "sulfur trioxide",
          "sulfur trioxide"
        ]
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    }
  ],
  "word": "SO₃"
}