"heavywater" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "heavy",
        "3": "water"
      },
      "expansion": "heavy + water",
      "name": "affix"
    }
  ],
  "etymology_text": "From heavy + water.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "heavywater (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "heavy water"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Water",
          "orig": "en:Water",
          "parents": [
            "Liquids",
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1975, Charles Whiting, chapter 7, in The Destroyers: Operation Kill Ike, London: Sphere Books Limited, →ISBN, page 35:",
          "text": "In it he told me that he was working close to a factory involved in the production of heavywater.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of heavy water"
      ],
      "id": "en-heavywater-en-noun-Jjx80lMp",
      "links": [
        [
          "heavy water",
          "heavy water#English"
        ]
      ],
      "raw_glosses": [
        "(chiefly attributive) Alternative form of heavy water"
      ],
      "tags": [
        "alt-of",
        "alternative",
        "attributive",
        "uncountable"
      ]
    }
  ],
  "word": "heavywater"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "heavy",
        "3": "water"
      },
      "expansion": "heavy + water",
      "name": "affix"
    }
  ],
  "etymology_text": "From heavy + water.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "heavywater (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "heavy water"
        }
      ],
      "categories": [
        "English compound terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Water"
      ],
      "examples": [
        {
          "ref": "1975, Charles Whiting, chapter 7, in The Destroyers: Operation Kill Ike, London: Sphere Books Limited, →ISBN, page 35:",
          "text": "In it he told me that he was working close to a factory involved in the production of heavywater.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of heavy water"
      ],
      "links": [
        [
          "heavy water",
          "heavy water#English"
        ]
      ],
      "raw_glosses": [
        "(chiefly attributive) Alternative form of heavy water"
      ],
      "tags": [
        "alt-of",
        "alternative",
        "attributive",
        "uncountable"
      ]
    }
  ],
  "word": "heavywater"
}