"prijelazni element" meaning in Serbo-Croatian

{
  "forms": [
    {
      "form": "пријелазни елемент",
      "tags": [
        "Cyrillic"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m",
        "head": "prijelazni element"
      },
      "expansion": "prijelazni element m (Cyrillic spelling пријелазни елемент)",
      "name": "sh-noun"
    }
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Serbo-Croatian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "sh",
          "name": "Chemistry",
          "orig": "sh:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "transition element"
      ],
      "id": "en-prijelazni_element-sh-noun-WdJMnf5A",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "transition element",
          "transition element"
        ]
      ],
      "raw_glosses": [
        "(chemistry) transition element"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "prijelazni element"
}

{
  "forms": [
    {
      "form": "пријелазни елемент",
      "tags": [
        "Cyrillic"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m",
        "head": "prijelazni element"
      },
      "expansion": "prijelazni element m (Cyrillic spelling пријелазни елемент)",
      "name": "sh-noun"
    }
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Serbo-Croatian entries with incorrect language header",
        "Serbo-Croatian lemmas",
        "Serbo-Croatian masculine nouns",
        "Serbo-Croatian multiword terms",
        "Serbo-Croatian nouns",
        "Serbo-Croatian terms with redundant head parameter",
        "sh:Chemistry"
      ],
      "glosses": [
        "transition element"
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "transition element",
          "transition element"
        ]
      ],
      "raw_glosses": [
        "(chemistry) transition element"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "prijelazni element"
}