"metatungstic acid" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "meta",
        "3": "tungstic"
      },
      "expansion": "meta- + tungstic",
      "name": "prefix"
    },
    {
      "args": {
        "1": "en",
        "2": "acid"
      },
      "expansion": "acid",
      "name": "m"
    }
  ],
  "etymology_text": "meta- + tungstic + acid",
  "head_templates": [
    {
      "args": {
        "1": "-"
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      "expansion": "metatungstic acid (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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        {
          "kind": "other",
          "name": "English terms prefixed with meta-",
          "parents": [],
          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
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          "source": "w"
        }
      ],
      "glosses": [
        "An acid known only in its salts (the metatungstates)."
      ],
      "id": "en-metatungstic_acid-en-noun-AUNX2uFe",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "acid",
          "acid"
        ],
        [
          "salt",
          "salt"
        ],
        [
          "metatungstate",
          "metatungstate"
        ]
      ],
      "raw_glosses": [
        "(chemistry) An acid known only in its salts (the metatungstates)."
      ],
      "synonyms": [
        {
          "word": "polytungstic acid"
        },
        {
          "word": "pyrotungstic acid"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "metatungstic acid"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "meta",
        "3": "tungstic"
      },
      "expansion": "meta- + tungstic",
      "name": "prefix"
    },
    {
      "args": {
        "1": "en",
        "2": "acid"
      },
      "expansion": "acid",
      "name": "m"
    }
  ],
  "etymology_text": "meta- + tungstic + acid",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "metatungstic acid (uncountable)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms prefixed with meta-",
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        "en:Chemistry"
      ],
      "glosses": [
        "An acid known only in its salts (the metatungstates)."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "acid",
          "acid"
        ],
        [
          "salt",
          "salt"
        ],
        [
          "metatungstate",
          "metatungstate"
        ]
      ],
      "raw_glosses": [
        "(chemistry) An acid known only in its salts (the metatungstates)."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "polytungstic acid"
    },
    {
      "word": "pyrotungstic acid"
    }
  ],
  "word": "metatungstic acid"
}