"obsoletion" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "obsolete",
        "3": "ion"
      },
      "expansion": "obsolete + -ion",
      "name": "suffix"
    }
  ],
  "etymology_text": "obsolete + -ion",
  "forms": [
    {
      "form": "obsoletions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "obsoletion (countable and uncountable, plural obsoletions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -ion",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2005, System of a Down (lyrics and music), “B.Y.O.B.”",
          "text": "Hangers sitting, dripped in oil / Crying, \"freedom\" / Handed to obsoletion / Still you feed us lies from the tablecloth",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Obsolescence."
      ],
      "id": "en-obsoletion-en-noun-vDfihTZF",
      "links": [
        [
          "Obsolescence",
          "obsolescence"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "obsoletion"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "obsolete",
        "3": "ion"
      },
      "expansion": "obsolete + -ion",
      "name": "suffix"
    }
  ],
  "etymology_text": "obsolete + -ion",
  "forms": [
    {
      "form": "obsoletions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "obsoletion (countable and uncountable, plural obsoletions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms suffixed with -ion",
        "English terms with quotations",
        "English uncountable nouns"
      ],
      "examples": [
        {
          "ref": "2005, System of a Down (lyrics and music), “B.Y.O.B.”",
          "text": "Hangers sitting, dripped in oil / Crying, \"freedom\" / Handed to obsoletion / Still you feed us lies from the tablecloth",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Obsolescence."
      ],
      "links": [
        [
          "Obsolescence",
          "obsolescence"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "obsoletion"
}