"mật mã học" meaning in All languages combined

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        "2": "密碼學",
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      "args": {
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        "3": "",
        "4": "",
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      "expansion": "mật mã học",
      "name": "head"
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    {
      "args": {
        "head": "mật mã học"
      },
      "expansion": "mật mã học",
      "name": "vi-noun"
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  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
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        {
          "kind": "other",
          "name": "Sino-Vietnamese words",
          "parents": [],
          "source": "w"
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          "parents": [],
          "source": "w"
        },
        {
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          "name": "Vietnamese terms suffixed with -học",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "vi",
          "name": "Cryptography",
          "orig": "vi:Cryptography",
          "parents": [
            "Computer science",
            "Formal sciences",
            "Mathematics",
            "Computing",
            "Sciences",
            "Technology",
            "All topics",
            "Fundamental"
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          "source": "w"
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      ],
      "glosses": [
        "cryptography"
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      "id": "en-mật_mã_học-vi-noun-4GVUgY6Q",
      "links": [
        [
          "cryptography",
          "cryptography"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[mət̚˧˨ʔ maː˦ˀ˥ hawk͡p̚˧˨ʔ]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[mək̚˨˩ʔ maː˧˨ hawk͡p̚˨˩ʔ]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[mək̚˨˩˨ maː˨˩˦ hawk͡p̚˨˩˨]",
      "tags": [
        "Hồ-Chí-Minh-City"
      ]
    }
  ],
  "word": "mật mã học"
}

{
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      "expansion": "mật mã học",
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    {
      "args": {
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      },
      "expansion": "mật mã học",
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  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
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      ],
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        "cryptography"
      ],
      "links": [
        [
          "cryptography",
          "cryptography"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[mət̚˧˨ʔ maː˦ˀ˥ hawk͡p̚˧˨ʔ]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[mək̚˨˩ʔ maː˧˨ hawk͡p̚˨˩ʔ]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[mək̚˨˩˨ maː˨˩˦ hawk͡p̚˨˩˨]",
      "tags": [
        "Hồ-Chí-Minh-City"
      ]
    }
  ],
  "word": "mật mã học"
}