"marine acid air" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Acids",
          "orig": "en:Acids",
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            "Chemistry",
            "Nature",
            "Sciences",
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            "Fundamental"
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chlorine",
          "orig": "en:Chlorine",
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            "Halogens",
            "Chemical elements",
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
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          "kind": "topical",
          "langcode": "en",
          "name": "Gases",
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          "kind": "topical",
          "langcode": "en",
          "name": "Inorganic compounds",
          "orig": "en:Inorganic compounds",
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            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
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      "examples": [
        {
          "ref": "2004, Robert E Schofield, The Enlightened Joseph Priestley, Pennsylvania State University, published 2004, page 103:",
          "text": "His discovery of marine acid air by heating hydrochloric acid solution led him to heat volatile spirit of sal ammoniac (ammonia water), from which he obtained a great quantity of “vapour.”",
          "type": "quote"
        }
      ],
      "glosses": [
        "Hydrogen chloride gas."
      ],
      "id": "en-marine_acid_air-en-noun-FELyabGJ",
      "links": [
        [
          "inorganic chemistry",
          "inorganic chemistry"
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        [
          "Hydrogen chloride",
          "hydrogen chloride"
        ],
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          "gas",
          "gas"
        ]
      ],
      "raw_glosses": [
        "(inorganic chemistry, historical) Hydrogen chloride gas."
      ],
      "tags": [
        "historical",
        "uncountable"
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      "topics": [
        "chemistry",
        "inorganic-chemistry",
        "natural-sciences",
        "physical-sciences"
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  "word": "marine acid air"
}

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Acids",
        "en:Chlorine",
        "en:Gases",
        "en:Inorganic compounds"
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        {
          "ref": "2004, Robert E Schofield, The Enlightened Joseph Priestley, Pennsylvania State University, published 2004, page 103:",
          "text": "His discovery of marine acid air by heating hydrochloric acid solution led him to heat volatile spirit of sal ammoniac (ammonia water), from which he obtained a great quantity of “vapour.”",
          "type": "quote"
        }
      ],
      "glosses": [
        "Hydrogen chloride gas."
      ],
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        [
          "inorganic chemistry",
          "inorganic chemistry"
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        [
          "Hydrogen chloride",
          "hydrogen chloride"
        ],
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          "gas",
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        "(inorganic chemistry, historical) Hydrogen chloride gas."
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  "word": "marine acid air"
}