"finalizer" meaning in English

{
  "etymology_links": [
    [
      "finalize",
      "finalize#English"
    ],
    [
      "-er",
      "-er#English:_agent_noun"
    ]
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "finalize",
        "4": "-er<id:agent noun>",
        "text": "+",
        "tree": "1"
      },
      "expansion": "From finalize + -er.",
      "name": "ety"
    },
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "finalize",
        "4": "-er<id:agent noun>",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nEnglish final\nProto-Indo-European *-id-\nProto-Indo-European *-yéti\nProto-Indo-European *-idyéti\nProto-Hellenic *-íd͏̌d͏̌ō\nAncient Greek -ῐ́ζω (-ĭ́zō)bor.\nLate Latin -izōder.\nMiddle French -iserbor.\nMiddle English -isen\nEnglish -ize\nEnglish finalize\nProto-Indo-European *-eh₂\nProto-Indo-European *-os?\nProto-Indo-European *-o-\nProto-Indo-European *-so-\nProto-Indo-European *-eh₂so-\nProto-Indo-European *-yós\nProto-Indo-European *-eh₂s(i)yós\nProto-Italic *-āsijos\nProto-Italic *-āsios\nLatin -āriusnom.\nLatin -āriusbor.\nProto-Germanic *-ārijaz\nProto-West Germanic *-ārī\nOld English -ere\nMiddle English -ere\n▲\nLatin -ārius\nOld French -ierbor.\nMiddle English -er\nEnglish -er\nEnglish finalizer\nFrom finalize + -er.",
      "name": "ety"
    }
  ],
  "etymology_text": "From finalize + -er.",
  "forms": [
    {
      "form": "finalizers",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "finaliser",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "finalizer (plural finalizers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with etymology texts",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with etymology trees",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with etymon",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -er (agent noun)",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using etymon with no ID",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with etymology trees",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with etymon",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Programming",
          "orig": "en:Programming",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A function that runs when an object is garbage collected, similar to a destructor."
      ],
      "id": "en-finalizer-en-noun-FC7nCl1y",
      "links": [
        [
          "programming",
          "programming#Noun"
        ],
        [
          "function",
          "function"
        ],
        [
          "garbage collect",
          "garbage collect"
        ],
        [
          "destructor",
          "destructor"
        ]
      ],
      "raw_glosses": [
        "(programming) A function that runs when an object is garbage collected, similar to a destructor."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "programming",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈfaɪnəˌlaɪzɚ/",
      "note": "rhotic"
    },
    {
      "ipa": "/ˈfaɪnəˌlaɪzə/",
      "note": "non-rhotic"
    },
    {
      "rhymes": "-aɪzə(ɹ)"
    }
  ],
  "word": "finalizer"
}

{
  "etymology_links": [
    [
      "finalize",
      "finalize#English"
    ],
    [
      "-er",
      "-er#English:_agent_noun"
    ]
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "finalize",
        "4": "-er<id:agent noun>",
        "text": "+",
        "tree": "1"
      },
      "expansion": "From finalize + -er.",
      "name": "ety"
    },
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "finalize",
        "4": "-er<id:agent noun>",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nEnglish final\nProto-Indo-European *-id-\nProto-Indo-European *-yéti\nProto-Indo-European *-idyéti\nProto-Hellenic *-íd͏̌d͏̌ō\nAncient Greek -ῐ́ζω (-ĭ́zō)bor.\nLate Latin -izōder.\nMiddle French -iserbor.\nMiddle English -isen\nEnglish -ize\nEnglish finalize\nProto-Indo-European *-eh₂\nProto-Indo-European *-os?\nProto-Indo-European *-o-\nProto-Indo-European *-so-\nProto-Indo-European *-eh₂so-\nProto-Indo-European *-yós\nProto-Indo-European *-eh₂s(i)yós\nProto-Italic *-āsijos\nProto-Italic *-āsios\nLatin -āriusnom.\nLatin -āriusbor.\nProto-Germanic *-ārijaz\nProto-West Germanic *-ārī\nOld English -ere\nMiddle English -ere\n▲\nLatin -ārius\nOld French -ierbor.\nMiddle English -er\nEnglish -er\nEnglish finalizer\nFrom finalize + -er.",
      "name": "ety"
    }
  ],
  "etymology_text": "From finalize + -er.",
  "forms": [
    {
      "form": "finalizers",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "finaliser",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "finalizer (plural finalizers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with etymology texts",
        "English entries with etymology trees",
        "English entries with etymon",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms suffixed with -er (agent noun)",
        "Pages using etymon with no ID",
        "Pages with 1 entry",
        "Pages with entries",
        "Pages with etymology trees",
        "Pages with etymon",
        "Rhymes:English/aɪzə(ɹ)",
        "en:Programming"
      ],
      "glosses": [
        "A function that runs when an object is garbage collected, similar to a destructor."
      ],
      "links": [
        [
          "programming",
          "programming#Noun"
        ],
        [
          "function",
          "function"
        ],
        [
          "garbage collect",
          "garbage collect"
        ],
        [
          "destructor",
          "destructor"
        ]
      ],
      "raw_glosses": [
        "(programming) A function that runs when an object is garbage collected, similar to a destructor."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "programming",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈfaɪnəˌlaɪzɚ/",
      "note": "rhotic"
    },
    {
      "ipa": "/ˈfaɪnəˌlaɪzə/",
      "note": "non-rhotic"
    },
    {
      "rhymes": "-aɪzə(ɹ)"
    }
  ],
  "word": "finalizer"
}