"monoalphabetic" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mono-",
        "3": "alphabetic"
      },
      "expansion": "mono- + alphabetic",
      "name": "prefix"
    }
  ],
  "etymology_text": "From mono- + alphabetic.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "monoalphabetic (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with mono-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Cryptography",
          "orig": "en:Cryptography",
          "parents": [
            "Computer science",
            "Formal sciences",
            "Mathematics",
            "Computing",
            "Sciences",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "monoalphabetically"
        }
      ],
      "glosses": [
        "Of a substitution cipher, using the same fixed mappings from plaintext to cipher letters across the entire text."
      ],
      "id": "en-monoalphabetic-en-adj-91oo8kUl",
      "links": [
        [
          "cryptography",
          "cryptography"
        ],
        [
          "substitution",
          "substitution"
        ],
        [
          "cipher",
          "cipher"
        ],
        [
          "mapping",
          "mapping"
        ],
        [
          "plaintext",
          "plaintext"
        ]
      ],
      "raw_glosses": [
        "(cryptography) Of a substitution cipher, using the same fixed mappings from plaintext to cipher letters across the entire text."
      ],
      "related": [
        {
          "word": "polyalphabetic"
        }
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "computing",
        "cryptography",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ɛtɪk"
    }
  ],
  "word": "monoalphabetic"
}

{
  "derived": [
    {
      "word": "monoalphabetically"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mono-",
        "3": "alphabetic"
      },
      "expansion": "mono- + alphabetic",
      "name": "prefix"
    }
  ],
  "etymology_text": "From mono- + alphabetic.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "monoalphabetic (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "polyalphabetic"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with mono-",
        "English uncomparable adjectives",
        "Pages with 1 entry",
        "Pages with entries",
        "Rhymes:English/ɛtɪk",
        "Rhymes:English/ɛtɪk/6 syllables",
        "en:Cryptography"
      ],
      "glosses": [
        "Of a substitution cipher, using the same fixed mappings from plaintext to cipher letters across the entire text."
      ],
      "links": [
        [
          "cryptography",
          "cryptography"
        ],
        [
          "substitution",
          "substitution"
        ],
        [
          "cipher",
          "cipher"
        ],
        [
          "mapping",
          "mapping"
        ],
        [
          "plaintext",
          "plaintext"
        ]
      ],
      "raw_glosses": [
        "(cryptography) Of a substitution cipher, using the same fixed mappings from plaintext to cipher letters across the entire text."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "computing",
        "cryptography",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ɛtɪk"
    }
  ],
  "word": "monoalphabetic"
}