"pyrophosphoric acid" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pyro",
        "3": "phosphoric acid"
      },
      "expansion": "pyro- + phosphoric acid",
      "name": "prefix"
    }
  ],
  "etymology_text": "pyro- + phosphoric acid",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "pyrophosphoric acid (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "52 48",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "English terms prefixed with pyro-",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A syrupy liquid formed by the dehydration of phosphoric acid; its salts, the pyrophosphates, are used in medicine."
      ],
      "id": "en-pyrophosphoric_acid-en-noun-fBCY5lTn",
      "links": [
        [
          "syrupy",
          "syrupy"
        ],
        [
          "liquid",
          "liquid"
        ],
        [
          "dehydration",
          "dehydration"
        ],
        [
          "phosphoric acid",
          "phosphoric acid"
        ],
        [
          "salt",
          "salt"
        ],
        [
          "pyrophosphate",
          "pyrophosphate"
        ],
        [
          "medicine",
          "medicine"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Inorganic compounds",
          "orig": "en:Inorganic compounds",
          "parents": [
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "52 48",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "English terms prefixed with pyro-",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "The acid formed by removing a molecule of water from two molecules of phosphoric acid, H₄P₂O₇; this reaction slowly reverses in the presence of water."
      ],
      "id": "en-pyrophosphoric_acid-en-noun-M8-r0gjd",
      "links": [
        [
          "inorganic chemistry",
          "inorganic chemistry"
        ],
        [
          "molecule",
          "molecule"
        ],
        [
          "water",
          "water"
        ]
      ],
      "raw_glosses": [
        "(inorganic chemistry) The acid formed by removing a molecule of water from two molecules of phosphoric acid, H₄P₂O₇; this reaction slowly reverses in the presence of water."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "inorganic-chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "pyrophosphoric acid"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English terms prefixed with pyro-",
    "English uncountable nouns"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pyro",
        "3": "phosphoric acid"
      },
      "expansion": "pyro- + phosphoric acid",
      "name": "prefix"
    }
  ],
  "etymology_text": "pyro- + phosphoric acid",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "pyrophosphoric acid (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A syrupy liquid formed by the dehydration of phosphoric acid; its salts, the pyrophosphates, are used in medicine."
      ],
      "links": [
        [
          "syrupy",
          "syrupy"
        ],
        [
          "liquid",
          "liquid"
        ],
        [
          "dehydration",
          "dehydration"
        ],
        [
          "phosphoric acid",
          "phosphoric acid"
        ],
        [
          "salt",
          "salt"
        ],
        [
          "pyrophosphate",
          "pyrophosphate"
        ],
        [
          "medicine",
          "medicine"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    },
    {
      "categories": [
        "en:Inorganic compounds"
      ],
      "glosses": [
        "The acid formed by removing a molecule of water from two molecules of phosphoric acid, H₄P₂O₇; this reaction slowly reverses in the presence of water."
      ],
      "links": [
        [
          "inorganic chemistry",
          "inorganic chemistry"
        ],
        [
          "molecule",
          "molecule"
        ],
        [
          "water",
          "water"
        ]
      ],
      "raw_glosses": [
        "(inorganic chemistry) The acid formed by removing a molecule of water from two molecules of phosphoric acid, H₄P₂O₇; this reaction slowly reverses in the presence of water."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "inorganic-chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "pyrophosphoric acid"
}