"codebreaking" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "code",
        "3": "breaking"
      },
      "expansion": "code + breaking",
      "name": "compound"
    }
  ],
  "etymology_text": "From code + breaking.",
  "head_templates": [
    {
      "args": {
        "1": "-"
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      "expansion": "codebreaking (uncountable)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
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          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2008 March 12, Peter Wayner, “Psst! Follow Me and I’ll Show You the Exhibition”, in New York Times:",
          "text": "Most museums are built from the urge to broadcast the past loud and clear, but most museums do not receive money from the National Security Agency, the arm of the intelligence network devoted to codemaking and codebreaking.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The decipherment of a code."
      ],
      "id": "en-codebreaking-en-noun-Kz3RPeoD",
      "links": [
        [
          "decipherment",
          "decipherment"
        ],
        [
          "code",
          "code"
        ]
      ],
      "synonyms": [
        {
          "word": "decryption"
        }
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "codebreaking"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "code",
        "3": "breaking"
      },
      "expansion": "code + breaking",
      "name": "compound"
    }
  ],
  "etymology_text": "From code + breaking.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "codebreaking (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "Pages with entries"
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      "examples": [
        {
          "ref": "2008 March 12, Peter Wayner, “Psst! Follow Me and I’ll Show You the Exhibition”, in New York Times:",
          "text": "Most museums are built from the urge to broadcast the past loud and clear, but most museums do not receive money from the National Security Agency, the arm of the intelligence network devoted to codemaking and codebreaking.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The decipherment of a code."
      ],
      "links": [
        [
          "decipherment",
          "decipherment"
        ],
        [
          "code",
          "code"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "decryption"
    }
  ],
  "word": "codebreaking"
}