"H₂SO₄" meaning in Translingual

{
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "H₂SO₄",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English quotations with omitted translation",
          "parents": [
            "Quotations with omitted translation",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Translingual entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Chemical formulae",
          "orig": "mul:Chemical formulae",
          "parents": [
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Inorganic chemistry",
          "orig": "mul:Inorganic chemistry",
          "parents": [
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "SO₄²-"
        },
        {
          "word": "SO₄"
        },
        {
          "word": "sulfate"
        },
        {
          "word": "HSO₄-"
        },
        {
          "word": "HSO₄"
        },
        {
          "word": "bisulfate"
        },
        {
          "word": "monohydrogen sulfate"
        }
      ],
      "examples": [
        {
          "text": "Opie, Iona, Opie, Pete (1959) chapter 9, in The Lore and Language of Schoolchildren, New York Review Books, published 2001, →ISBN, page 174: “Poor Old Stinker's dead and gone, / His face you'll see no more: / For what he thought was H₂O / Was H₂SO₄!”"
        }
      ],
      "glosses": [
        "the chemical formula of sulfuric acid"
      ],
      "id": "en-H₂SO₄-mul-symbol-ey9o49CD",
      "links": [
        [
          "inorganic chemistry",
          "inorganic chemistry"
        ],
        [
          "sulfuric acid",
          "sulfuric acid"
        ]
      ],
      "raw_glosses": [
        "(inorganic chemistry) the chemical formula of sulfuric acid"
      ],
      "related": [
        {
          "word": "H₂SO₃"
        },
        {
          "word": "sulfurous acid"
        }
      ],
      "topics": [
        "chemistry",
        "inorganic-chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "H₂SO₄"
}

{
  "derived": [
    {
      "word": "SO₄²-"
    },
    {
      "word": "SO₄"
    },
    {
      "word": "sulfate"
    },
    {
      "word": "HSO₄-"
    },
    {
      "word": "HSO₄"
    },
    {
      "word": "bisulfate"
    },
    {
      "word": "monohydrogen sulfate"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "H₂SO₄",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "related": [
    {
      "word": "H₂SO₃"
    },
    {
      "word": "sulfurous acid"
    }
  ],
  "senses": [
    {
      "categories": [
        "English quotations with omitted translation",
        "English terms with quotations",
        "Translingual entries with incorrect language header",
        "Translingual entries with topic categories using raw markup",
        "Translingual lemmas",
        "Translingual symbols",
        "Translingual terms spelled with ₂",
        "Translingual terms spelled with ₄",
        "mul:Chemical formulae",
        "mul:Inorganic chemistry"
      ],
      "examples": [
        {
          "text": "Opie, Iona, Opie, Pete (1959) chapter 9, in The Lore and Language of Schoolchildren, New York Review Books, published 2001, →ISBN, page 174: “Poor Old Stinker's dead and gone, / His face you'll see no more: / For what he thought was H₂O / Was H₂SO₄!”"
        }
      ],
      "glosses": [
        "the chemical formula of sulfuric acid"
      ],
      "links": [
        [
          "inorganic chemistry",
          "inorganic chemistry"
        ],
        [
          "sulfuric acid",
          "sulfuric acid"
        ]
      ],
      "raw_glosses": [
        "(inorganic chemistry) the chemical formula of sulfuric acid"
      ],
      "topics": [
        "chemistry",
        "inorganic-chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "H₂SO₄"
}