"saturation diver" meaning in English

{
  "forms": [
    {
      "form": "saturation divers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "saturation diver (plural saturation divers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2019 April 5, Debbie Jackson, “Diver cheated death in North Sea miracle”, in BBC News, archived from the original on 2022-01-27",
          "text": "Edinburgh-born Chris, who lives near Mallaig in the Highlands, is a saturation diver. This is a specialised type of diving which reduces the risk of decompression sickness due to use of a mixture of oxygen and helium.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Someone who engages in saturation diving."
      ],
      "id": "en-saturation_diver-en-noun-sNZsOISh",
      "links": [
        [
          "saturation diving",
          "saturation diving#Noun"
        ]
      ]
    }
  ],
  "word": "saturation diver"
}

{
  "forms": [
    {
      "form": "saturation divers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "saturation diver (plural saturation divers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2019 April 5, Debbie Jackson, “Diver cheated death in North Sea miracle”, in BBC News, archived from the original on 2022-01-27",
          "text": "Edinburgh-born Chris, who lives near Mallaig in the Highlands, is a saturation diver. This is a specialised type of diving which reduces the risk of decompression sickness due to use of a mixture of oxygen and helium.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Someone who engages in saturation diving."
      ],
      "links": [
        [
          "saturation diving",
          "saturation diving#Noun"
        ]
      ]
    }
  ],
  "word": "saturation diver"
}