"sootproof" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "soot",
        "3": "proof"
      },
      "expansion": "soot + -proof",
      "name": "suffix"
    }
  ],
  "etymology_text": "From soot + -proof.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "sootproof (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -proof",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1921, Chilton's Motor Age: Volume 39, Part 2, Chilton Company, page 128:",
          "text": "A spark plug which will stay sootproof and give long service in any of the Ford cylinders, must be a specially built plug.",
          "type": "quote"
        },
        {
          "ref": "1914, The Autocar: Volume 33, London: Iliffe, Sons & Sturmey Limited, page 648:",
          "text": "[…] only a sootproof plug is of any use to a Mathis owner.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Resistant to soot."
      ],
      "id": "en-sootproof-en-adj-ZnKCDte~",
      "links": [
        [
          "Resistant",
          "resistant"
        ],
        [
          "soot",
          "soot"
        ]
      ],
      "synonyms": [
        {
          "word": "soot-proof"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "sootproof"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "soot",
        "3": "proof"
      },
      "expansion": "soot + -proof",
      "name": "suffix"
    }
  ],
  "etymology_text": "From soot + -proof.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "sootproof (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms suffixed with -proof",
        "English terms with quotations",
        "English uncomparable adjectives",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1921, Chilton's Motor Age: Volume 39, Part 2, Chilton Company, page 128:",
          "text": "A spark plug which will stay sootproof and give long service in any of the Ford cylinders, must be a specially built plug.",
          "type": "quote"
        },
        {
          "ref": "1914, The Autocar: Volume 33, London: Iliffe, Sons & Sturmey Limited, page 648:",
          "text": "[…] only a sootproof plug is of any use to a Mathis owner.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Resistant to soot."
      ],
      "links": [
        [
          "Resistant",
          "resistant"
        ],
        [
          "soot",
          "soot"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "soot-proof"
    }
  ],
  "word": "sootproof"
}