"fluorosilicic acid" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "fluorosilicic acid (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "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": "Inorganic compounds",
          "orig": "en:Inorganic compounds",
          "parents": [
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The acid H₂SiF₆ that is used in water fluoridation"
      ],
      "id": "en-fluorosilicic_acid-en-noun-I76N5CBd",
      "links": [
        [
          "inorganic chemistry",
          "inorganic chemistry"
        ]
      ],
      "raw_glosses": [
        "(inorganic chemistry) The acid H₂SiF₆ that is used in water fluoridation"
      ],
      "synonyms": [
        {
          "word": "hexafluorosilicic acid"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "inorganic-chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "fluorosilicic acid"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "fluorosilicic acid (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Inorganic compounds"
      ],
      "glosses": [
        "The acid H₂SiF₆ that is used in water fluoridation"
      ],
      "links": [
        [
          "inorganic chemistry",
          "inorganic chemistry"
        ]
      ],
      "raw_glosses": [
        "(inorganic chemistry) The acid H₂SiF₆ that is used in water fluoridation"
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "inorganic-chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "hexafluorosilicic acid"
    }
  ],
  "word": "fluorosilicic acid"
}