"critical section" meaning in English

{
  "forms": [
    {
      "form": "critical sections",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "critical section (plural critical sections)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
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          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Programming",
          "orig": "en:Programming",
          "parents": [
            "Computing",
            "Software engineering",
            "Technology",
            "Computer science",
            "Engineering",
            "Software",
            "All topics",
            "Sciences",
            "Applied sciences",
            "Media",
            "Fundamental",
            "Communication"
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      "examples": [
        {
          "ref": "2011, Ganesh Gopalakrishnan, Shaz Qadeer, Computer Aided Verification: 23rd International Conference:",
          "text": "The instructions between a lock and an unlock form a critical section.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A piece of code that accesses a shared resource that must not be concurrently accessed by more than one thread of execution."
      ],
      "id": "en-critical_section-en-noun-DM6DI-16",
      "links": [
        [
          "programming",
          "programming#Noun"
        ],
        [
          "code",
          "code"
        ],
        [
          "access",
          "access"
        ],
        [
          "shared",
          "shared"
        ],
        [
          "resource",
          "resource"
        ],
        [
          "concurrent",
          "concurrent"
        ],
        [
          "thread",
          "thread"
        ],
        [
          "execution",
          "execution"
        ]
      ],
      "raw_glosses": [
        "(programming) A piece of code that accesses a shared resource that must not be concurrently accessed by more than one thread of execution."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "programming",
        "sciences"
      ],
      "translations": [
        {
          "code": "eo",
          "lang": "Esperanto",
          "sense": "translation",
          "word": "krita sekcio"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "translation",
          "word": "kriittinen alue"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "translation",
          "tags": [
            "feminine"
          ],
          "word": "section critique"
        },
        {
          "code": "ro",
          "lang": "Romanian",
          "sense": "translation",
          "tags": [
            "feminine"
          ],
          "word": "secțiune critică"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "translation",
          "tags": [
            "feminine"
          ],
          "word": "sección crítica"
        }
      ],
      "wikipedia": [
        "critical section"
      ]
    }
  ],
  "word": "critical section"
}

{
  "forms": [
    {
      "form": "critical sections",
      "tags": [
        "plural"
      ]
    }
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  "head_templates": [
    {
      "args": {},
      "expansion": "critical section (plural critical sections)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "Terms with Spanish translations",
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      "examples": [
        {
          "ref": "2011, Ganesh Gopalakrishnan, Shaz Qadeer, Computer Aided Verification: 23rd International Conference:",
          "text": "The instructions between a lock and an unlock form a critical section.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A piece of code that accesses a shared resource that must not be concurrently accessed by more than one thread of execution."
      ],
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          "programming",
          "programming#Noun"
        ],
        [
          "code",
          "code"
        ],
        [
          "access",
          "access"
        ],
        [
          "shared",
          "shared"
        ],
        [
          "resource",
          "resource"
        ],
        [
          "concurrent",
          "concurrent"
        ],
        [
          "thread",
          "thread"
        ],
        [
          "execution",
          "execution"
        ]
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      "raw_glosses": [
        "(programming) A piece of code that accesses a shared resource that must not be concurrently accessed by more than one thread of execution."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "programming",
        "sciences"
      ],
      "wikipedia": [
        "critical section"
      ]
    }
  ],
  "translations": [
    {
      "code": "eo",
      "lang": "Esperanto",
      "sense": "translation",
      "word": "krita sekcio"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "translation",
      "word": "kriittinen alue"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "translation",
      "tags": [
        "feminine"
      ],
      "word": "section critique"
    },
    {
      "code": "ro",
      "lang": "Romanian",
      "sense": "translation",
      "tags": [
        "feminine"
      ],
      "word": "secțiune critică"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "translation",
      "tags": [
        "feminine"
      ],
      "word": "sección crítica"
    }
  ],
  "word": "critical section"
}