"makespan" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "make",
        "3": "span"
      },
      "expansion": "make + span",
      "name": "compound"
    }
  ],
  "etymology_text": "From make + span.",
  "forms": [
    {
      "form": "makespans",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "makespan (plural makespans)",
      "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"
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          "source": "w"
        },
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          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Engineering",
          "orig": "en:Engineering",
          "parents": [
            "Applied sciences",
            "Technology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Manufacturing",
          "orig": "en:Manufacturing",
          "parents": [
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "If we don't reduce the makespan of that product, the order won't be shipped on time.",
          "type": "example"
        }
      ],
      "glosses": [
        "the time difference between the start and finish of a sequence of jobs or tasks"
      ],
      "id": "en-makespan-en-noun-~RHRqdcU",
      "links": [
        [
          "manufacturing",
          "manufacturing#Noun"
        ]
      ],
      "raw_glosses": [
        "(manufacturing) the time difference between the start and finish of a sequence of jobs or tasks"
      ],
      "topics": [
        "business",
        "manufacturing"
      ],
      "wikipedia": [
        "makespan"
      ]
    }
  ],
  "word": "makespan"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "make",
        "3": "span"
      },
      "expansion": "make + span",
      "name": "compound"
    }
  ],
  "etymology_text": "From make + span.",
  "forms": [
    {
      "form": "makespans",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "makespan (plural makespans)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Engineering",
        "en:Manufacturing"
      ],
      "examples": [
        {
          "text": "If we don't reduce the makespan of that product, the order won't be shipped on time.",
          "type": "example"
        }
      ],
      "glosses": [
        "the time difference between the start and finish of a sequence of jobs or tasks"
      ],
      "links": [
        [
          "manufacturing",
          "manufacturing#Noun"
        ]
      ],
      "raw_glosses": [
        "(manufacturing) the time difference between the start and finish of a sequence of jobs or tasks"
      ],
      "topics": [
        "business",
        "manufacturing"
      ],
      "wikipedia": [
        "makespan"
      ]
    }
  ],
  "word": "makespan"
}