"submarinism" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "submarine",
        "3": "ism"
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      "expansion": "submarine + -ism",
      "name": "suffix"
    }
  ],
  "etymology_text": "submarine + -ism",
  "head_templates": [
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      "expansion": "submarinism (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "name": "English entries with incorrect language header",
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          "kind": "other",
          "name": "English terms suffixed with -ism",
          "parents": [],
          "source": "w"
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      "examples": [
        {
          "ref": "1919, Maninda Chandra Sinha, Writings and Speeches, page 36",
          "text": "Adopting the counsel of despair, they resolved on the campaign of unrestricted submarinism which, their Admiralty advised them, would bring the United Kingdom to the verge of starvation by April.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The use of submarines in warfare."
      ],
      "id": "en-submarinism-en-noun-tCm9q1gt",
      "links": [
        [
          "submarine",
          "submarine"
        ],
        [
          "warfare",
          "warfare"
        ]
      ],
      "raw_glosses": [
        "(dated) The use of submarines in warfare."
      ],
      "tags": [
        "dated",
        "uncountable"
      ]
    }
  ],
  "word": "submarinism"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "submarine",
        "3": "ism"
      },
      "expansion": "submarine + -ism",
      "name": "suffix"
    }
  ],
  "etymology_text": "submarine + -ism",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "submarinism (uncountable)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "ref": "1919, Maninda Chandra Sinha, Writings and Speeches, page 36",
          "text": "Adopting the counsel of despair, they resolved on the campaign of unrestricted submarinism which, their Admiralty advised them, would bring the United Kingdom to the verge of starvation by April.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The use of submarines in warfare."
      ],
      "links": [
        [
          "submarine",
          "submarine"
        ],
        [
          "warfare",
          "warfare"
        ]
      ],
      "raw_glosses": [
        "(dated) The use of submarines in warfare."
      ],
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        "dated",
        "uncountable"
      ]
    }
  ],
  "word": "submarinism"
}