"nonstandard number" meaning in English

{
  "forms": [
    {
      "form": "nonstandard numbers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "nonstandard number (plural nonstandard numbers)",
      "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematical analysis",
          "orig": "en:Mathematical analysis",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A hyperreal number which is not a real number."
      ],
      "hyponyms": [
        {
          "word": "infinitesimal"
        },
        {
          "word": "unlimited"
        },
        {
          "word": "nonstandard appreciable"
        }
      ],
      "id": "en-nonstandard_number-en-noun-oDKYo8S7",
      "links": [
        [
          "mathematical analysis",
          "mathematical analysis"
        ],
        [
          "hyperreal number",
          "hyperreal number"
        ],
        [
          "real number",
          "real number"
        ]
      ],
      "qualifier": "nonstandard analysis",
      "raw_glosses": [
        "(mathematical analysis, nonstandard analysis) A hyperreal number which is not a real number."
      ],
      "topics": [
        "mathematical-analysis",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "nonstandard number"
}

{
  "forms": [
    {
      "form": "nonstandard numbers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "nonstandard number (plural nonstandard numbers)",
      "name": "en-noun"
    }
  ],
  "hyponyms": [
    {
      "word": "infinitesimal"
    },
    {
      "word": "unlimited"
    },
    {
      "word": "nonstandard appreciable"
    }
  ],
  "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",
        "en:Mathematical analysis"
      ],
      "glosses": [
        "A hyperreal number which is not a real number."
      ],
      "links": [
        [
          "mathematical analysis",
          "mathematical analysis"
        ],
        [
          "hyperreal number",
          "hyperreal number"
        ],
        [
          "real number",
          "real number"
        ]
      ],
      "qualifier": "nonstandard analysis",
      "raw_glosses": [
        "(mathematical analysis, nonstandard analysis) A hyperreal number which is not a real number."
      ],
      "topics": [
        "mathematical-analysis",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "nonstandard number"
}