"D₂" meaning in All languages combined

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          "kind": "other",
          "langcode": "mul",
          "name": "Chemical formulae",
          "orig": "mul:Chemical formulae",
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          "langcode": "mul",
          "name": "Inorganic compounds",
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          "name": "Isotopes",
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      ],
      "glosses": [
        "Deuterium-deuterium, a type of hydrogen (H₂) molecule. In other words, dideuterium, or diatomic deuterium."
      ],
      "id": "en-D₂-mul-symbol-a5CO94X6",
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          "deuterium",
          "deuterium"
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          "hydrogen",
          "hydrogen"
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          "deuterium",
          "deuterium"
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          "hydrogen",
          "hydrogen"
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  ],
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