"NN" meaning in German

{
  "head_templates": [
    {
      "args": {
        "1": "de",
        "2": "noun"
      },
      "expansion": "NN",
      "name": "head"
    }
  ],
  "lang": "German",
  "lang_code": "de",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Normalnull"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "German entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1997 September, Vygandas Relys, Ingmar Weiss, “Micrargus alpinus sp. n., eine weitere Art der M. herbigradus-Gruppe aus Österreich (Arachnida: Araneae: Linyphiidae)”, in Revue suisse de Zoologie : Annales de la Société suisse de Zoologie et du Muséum d'Histoire naturelle de la Ville de Genève, volume 104, number 3, Genève, page 492:",
          "text": "Material (Bodenfallen, 1993–1994, leg. Relys): Österreich, Ost-Alpen, Hohe Tauern, Gasteiner Tal, Naßfeld-Alm, 1620–1665 m NN, Zwergstrauchbestände.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Initialism of Normalnull."
      ],
      "id": "en-NN-de-noun-03SXvsGC",
      "links": [
        [
          "Normalnull",
          "Normalnull#German"
        ]
      ],
      "synonyms": [
        {
          "word": "N. N."
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "word": "NN"
}

{
  "head_templates": [
    {
      "args": {
        "1": "de",
        "2": "noun"
      },
      "expansion": "NN",
      "name": "head"
    }
  ],
  "lang": "German",
  "lang_code": "de",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Normalnull"
        }
      ],
      "categories": [
        "German entries with incorrect language header",
        "German initialisms",
        "German lemmas",
        "German nouns",
        "German terms with quotations",
        "Pages with 3 entries",
        "Pages with entries",
        "Requests for translations of German quotations"
      ],
      "examples": [
        {
          "ref": "1997 September, Vygandas Relys, Ingmar Weiss, “Micrargus alpinus sp. n., eine weitere Art der M. herbigradus-Gruppe aus Österreich (Arachnida: Araneae: Linyphiidae)”, in Revue suisse de Zoologie : Annales de la Société suisse de Zoologie et du Muséum d'Histoire naturelle de la Ville de Genève, volume 104, number 3, Genève, page 492:",
          "text": "Material (Bodenfallen, 1993–1994, leg. Relys): Österreich, Ost-Alpen, Hohe Tauern, Gasteiner Tal, Naßfeld-Alm, 1620–1665 m NN, Zwergstrauchbestände.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Initialism of Normalnull."
      ],
      "links": [
        [
          "Normalnull",
          "Normalnull#German"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "N. N."
    }
  ],
  "word": "NN"
}