"număr complex" meaning in Roumain

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en roumain",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Dates manquantes en roumain",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions nominales en roumain",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Roumain",
      "orig": "roumain",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(Date à préciser)Composé de număr et de complex."
  ],
  "lang": "Roumain",
  "lang_code": "ro",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en roumain des mathématiques",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Nombre complexe."
      ],
      "id": "fr-număr_complex-ro-noun-2yT2ML1G",
      "topics": [
        "mathematics"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈnu.mər kom'pleks\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "număr complex"
}

{
  "categories": [
    "Compositions en roumain",
    "Dates manquantes en roumain",
    "Locutions nominales en roumain",
    "roumain"
  ],
  "etymology_texts": [
    "(Date à préciser)Composé de număr et de complex."
  ],
  "lang": "Roumain",
  "lang_code": "ro",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        "Lexique en roumain des mathématiques"
      ],
      "glosses": [
        "Nombre complexe."
      ],
      "topics": [
        "mathematics"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈnu.mər kom'pleks\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "număr complex"
}