"leakproofness" meaning in English

{
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        "1": "en",
        "2": "leakproof",
        "3": "ness"
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      "expansion": "leakproof + -ness",
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  ],
  "etymology_text": "From leakproof + -ness.",
  "head_templates": [
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      "expansion": "leakproofness (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "1914, Cycle and Automobile Trade Journal, volume 18, page 147:",
          "text": "This means, of course, from 50 to 80 per cent. less friction, and as the maximum compression is obtained owing to the leakproofness, an increase in power is said to result from their use.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The quality of being leakproof."
      ],
      "id": "en-leakproofness-en-noun-UuonN2fp",
      "links": [
        [
          "leakproof",
          "leakproof"
        ]
      ],
      "tags": [
        "uncountable"
      ],
      "translations": [
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "morebōshi-sei",
          "sense": "the quality of being leakproof",
          "word": "漏れ防止性"
        }
      ]
    }
  ],
  "word": "leakproofness"
}

{
  "etymology_templates": [
    {
      "args": {
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        "2": "leakproof",
        "3": "ness"
      },
      "expansion": "leakproof + -ness",
      "name": "suffix"
    }
  ],
  "etymology_text": "From leakproof + -ness.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "leakproofness (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "ref": "1914, Cycle and Automobile Trade Journal, volume 18, page 147:",
          "text": "This means, of course, from 50 to 80 per cent. less friction, and as the maximum compression is obtained owing to the leakproofness, an increase in power is said to result from their use.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The quality of being leakproof."
      ],
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        [
          "leakproof",
          "leakproof"
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      ],
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        "uncountable"
      ]
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  "translations": [
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "morebōshi-sei",
      "sense": "the quality of being leakproof",
      "word": "漏れ防止性"
    }
  ],
  "word": "leakproofness"
}