"pyrognostique" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "pyro-",
        "3": "gnostique"
      },
      "expansion": "pyro- + gnostique",
      "name": "af"
    }
  ],
  "etymology_text": "From pyro- + gnostique.",
  "forms": [
    {
      "form": "pyrognostiques",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pyrognostique (plural pyrognostiques)",
      "name": "fr-adj"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French terms prefixed with pyro-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "fr",
          "name": "Chemistry",
          "orig": "fr:Chemistry",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "pyrognostic"
      ],
      "id": "en-pyrognostique-fr-adj-lI7OmPpN",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "pyrognostic",
          "pyrognostic"
        ]
      ],
      "raw_glosses": [
        "(chemistry) pyrognostic"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "pyrognostique"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "pyro-",
        "3": "gnostique"
      },
      "expansion": "pyro- + gnostique",
      "name": "af"
    }
  ],
  "etymology_text": "From pyro- + gnostique.",
  "forms": [
    {
      "form": "pyrognostiques",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pyrognostique (plural pyrognostiques)",
      "name": "fr-adj"
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  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
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        "French terms prefixed with pyro-",
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      ],
      "glosses": [
        "pyrognostic"
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "pyrognostic",
          "pyrognostic"
        ]
      ],
      "raw_glosses": [
        "(chemistry) pyrognostic"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "pyrognostique"
}