"H₂O" meaning in English

{
  "etymology_text": "Two H initials (Hishammuddin Hussein) represented by H₂ + O for Onn, chosen to humorously match the chemical formula for water.",
  "head_templates": [
    {
      "args": {},
      "expansion": "H₂O",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Malaysian English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Individuals",
          "orig": "en:Individuals",
          "parents": [
            "People",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Malaysian politics",
          "orig": "en:Malaysian politics",
          "parents": [
            "Malaysia",
            "Politics",
            "Asia",
            "Society",
            "Earth",
            "Eurasia",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Nicknames of individuals",
          "orig": "en:Nicknames of individuals",
          "parents": [
            "Individuals",
            "Nicknames",
            "People",
            "Names",
            "Human",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Politics",
          "orig": "en:Politics",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Hishammuddin Hussein Onn, Malaysian politician and son of Hussein Onn, third prime minister of Malaysia."
      ],
      "id": "en-H₂O-en-name-cgLDJlq9",
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "humorous",
          "humorous"
        ],
        [
          "politics",
          "politics"
        ]
      ],
      "raw_glosses": [
        "(Malaysia, Internet slang, humorous, politics) Hishammuddin Hussein Onn, Malaysian politician and son of Hussein Onn, third prime minister of Malaysia."
      ],
      "tags": [
        "Internet",
        "Malaysia",
        "humorous"
      ],
      "topics": [
        "government",
        "politics"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌeɪt͡ʃtuːˈoʊ/",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "H₂O"
}

{
  "etymology_text": "Two H initials (Hishammuddin Hussein) represented by H₂ + O for Onn, chosen to humorously match the chemical formula for water.",
  "head_templates": [
    {
      "args": {},
      "expansion": "H₂O",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English eponyms",
        "English humorous terms",
        "English internet slang",
        "English lemmas",
        "English proper nouns",
        "English terms spelled with ₂",
        "English uncountable nouns",
        "Malaysian English",
        "Pages with 2 entries",
        "Pages with entries",
        "en:Individuals",
        "en:Malaysian politics",
        "en:Nicknames of individuals",
        "en:Politics"
      ],
      "glosses": [
        "Hishammuddin Hussein Onn, Malaysian politician and son of Hussein Onn, third prime minister of Malaysia."
      ],
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "humorous",
          "humorous"
        ],
        [
          "politics",
          "politics"
        ]
      ],
      "raw_glosses": [
        "(Malaysia, Internet slang, humorous, politics) Hishammuddin Hussein Onn, Malaysian politician and son of Hussein Onn, third prime minister of Malaysia."
      ],
      "tags": [
        "Internet",
        "Malaysia",
        "humorous"
      ],
      "topics": [
        "government",
        "politics"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌeɪt͡ʃtuːˈoʊ/",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "H₂O"
}