"magnezio" meaning in Esperanto

{
  "forms": [
    {
      "form": "magnezion",
      "tags": [
        "accusative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "magnezio (uncountable, accusative magnezion)",
      "name": "eo-head"
    }
  ],
  "hyphenation": [
    "mag‧ne‧zi‧o"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Esperanto entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "eo",
          "name": "Chemical elements",
          "orig": "eo:Chemical elements",
          "parents": [
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "magnesium"
      ],
      "id": "en-magnezio-eo-noun-kEG9ZRBf",
      "links": [
        [
          "magnesium",
          "magnesium"
        ]
      ],
      "tags": [
        "uncountable"
      ],
      "wikipedia": [
        "eo:magnezio"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[maɡneˈzio]"
    },
    {
      "rhymes": "-io"
    }
  ],
  "word": "magnezio"
}

{
  "forms": [
    {
      "form": "magnezion",
      "tags": [
        "accusative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "magnezio (uncountable, accusative magnezion)",
      "name": "eo-head"
    }
  ],
  "hyphenation": [
    "mag‧ne‧zi‧o"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Esperanto entries with incorrect language header",
        "Esperanto lemmas",
        "Esperanto nouns",
        "Esperanto terms with IPA pronunciation",
        "Esperanto terms with audio links",
        "Esperanto uncountable nouns",
        "Rhymes:Esperanto/io",
        "eo:Chemical elements"
      ],
      "glosses": [
        "magnesium"
      ],
      "links": [
        [
          "magnesium",
          "magnesium"
        ]
      ],
      "tags": [
        "uncountable"
      ],
      "wikipedia": [
        "eo:magnezio"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[maɡneˈzio]"
    },
    {
      "rhymes": "-io"
    }
  ],
  "word": "magnezio"
}