"deallocation" meaning in English

{
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        "3": "allocation"
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      "expansion": "de- + allocation",
      "name": "prefix"
    }
  ],
  "etymology_text": "From de- + allocation.",
  "forms": [
    {
      "form": "deallocations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      "categories": [
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          "_dis": "61 39",
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          "name": "English entries with incorrect language header",
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      ],
      "glosses": [
        "The act of deallocating."
      ],
      "id": "en-deallocation-en-noun-mY-YGbEt",
      "links": [
        [
          "deallocating",
          "deallocate"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
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          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
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            "All topics",
            "Fundamental"
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      ],
      "glosses": [
        "The release of a portion of storage that had previously been allocated to a specific task."
      ],
      "id": "en-deallocation-en-noun-bxU6Au36",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "release",
          "release"
        ],
        [
          "storage",
          "storage"
        ],
        [
          "allocate",
          "allocate"
        ]
      ],
      "raw_glosses": [
        "(computing) The release of a portion of storage that had previously been allocated to a specific task."
      ],
      "tags": [
        "countable",
        "uncountable"
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      "topics": [
        "computing",
        "engineering",
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  "sounds": [
    {
      "ipa": "/diːæləˈkeɪʃən/",
      "tags": [
        "UK"
      ]
    }
  ],
  "word": "deallocation"
}

{
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  ],
  "etymology_text": "From de- + allocation.",
  "forms": [
    {
      "form": "deallocations",
      "tags": [
        "plural"
      ]
    }
  ],
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "The act of deallocating."
      ],
      "links": [
        [
          "deallocating",
          "deallocate"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    },
    {
      "categories": [
        "en:Computing"
      ],
      "glosses": [
        "The release of a portion of storage that had previously been allocated to a specific task."
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "release",
          "release"
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        [
          "allocate",
          "allocate"
        ]
      ],
      "raw_glosses": [
        "(computing) The release of a portion of storage that had previously been allocated to a specific task."
      ],
      "tags": [
        "countable",
        "uncountable"
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        "computing",
        "engineering",
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    {
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  "word": "deallocation"
}