"gastight" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "gas",
        "3": "tight"
      },
      "expansion": "gas + tight",
      "name": "compound"
    }
  ],
  "etymology_text": "From gas + tight.",
  "forms": [
    {
      "form": "more gastight",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most gastight",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "gastight (comparative more gastight, superlative most gastight)",
      "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"
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          "source": "w"
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          "parents": [],
          "source": "w"
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          "kind": "other",
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          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Swedish translations",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "impermeable to gases"
      ],
      "id": "en-gastight-en-adj-kgG8g4Tl",
      "links": [
        [
          "impermeable",
          "impermeable"
        ],
        [
          "gas",
          "gas"
        ]
      ],
      "related": [
        {
          "word": "airtight"
        },
        {
          "word": "watertight"
        }
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "impermeable to gases",
          "word": "kaasutiivis"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "impermeable to gases",
          "word": "gázálló"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "impermeable to gases",
          "word": "gastät"
        }
      ]
    }
  ],
  "word": "gastight"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "gas",
        "3": "tight"
      },
      "expansion": "gas + tight",
      "name": "compound"
    }
  ],
  "etymology_text": "From gas + tight.",
  "forms": [
    {
      "form": "more gastight",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most gastight",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "gastight (comparative more gastight, superlative most gastight)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "airtight"
    },
    {
      "word": "watertight"
    }
  ],
  "senses": [
    {
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        "English adjectives",
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        "English entries with incorrect language header",
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        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with Hungarian translations",
        "Terms with Swedish translations"
      ],
      "glosses": [
        "impermeable to gases"
      ],
      "links": [
        [
          "impermeable",
          "impermeable"
        ],
        [
          "gas",
          "gas"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "impermeable to gases",
      "word": "kaasutiivis"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "impermeable to gases",
      "word": "gázálló"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "impermeable to gases",
      "word": "gastät"
    }
  ],
  "word": "gastight"
}