"dusík" meaning in Slovak

{
  "forms": [
    {
      "form": "dusíku",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "dub",
      "tags": [
        "declension-pattern-of"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m-in",
        "decl": "dub",
        "gen": "dusíku"
      },
      "expansion": "dusík m inan (genitive singular dusíku, declension pattern of dub)",
      "name": "sk-noun"
    }
  ],
  "lang": "Slovak",
  "lang_code": "sk",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Slovak entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "sk",
          "name": "Chemical elements",
          "orig": "sk:Chemical elements",
          "parents": [
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "nitrogen (chemical element)"
      ],
      "id": "en-dusík-sk-noun-g2K8AcDZ",
      "links": [
        [
          "nitrogen",
          "nitrogen"
        ]
      ],
      "tags": [
        "inanimate",
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈdusiːk]"
    }
  ],
  "word": "dusík"
}

{
  "forms": [
    {
      "form": "dusíku",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "dub",
      "tags": [
        "declension-pattern-of"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m-in",
        "decl": "dub",
        "gen": "dusíku"
      },
      "expansion": "dusík m inan (genitive singular dusíku, declension pattern of dub)",
      "name": "sk-noun"
    }
  ],
  "lang": "Slovak",
  "lang_code": "sk",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 2 entries",
        "Pages with entries",
        "Slovak entries with incorrect language header",
        "Slovak inanimate nouns",
        "Slovak lemmas",
        "Slovak masculine nouns",
        "Slovak nouns",
        "Slovak terms with IPA pronunciation",
        "sk:Chemical elements"
      ],
      "glosses": [
        "nitrogen (chemical element)"
      ],
      "links": [
        [
          "nitrogen",
          "nitrogen"
        ]
      ],
      "tags": [
        "inanimate",
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈdusiːk]"
    }
  ],
  "word": "dusík"
}