"uptime" meaning in English

{
  "antonyms": [
    {
      "word": "downtime"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "up",
        "3": "time",
        "pos1": "adjective",
        "t1": "(computing) functional, working"
      },
      "expansion": "up (“(computing) functional, working”, adjective) + time",
      "name": "af"
    }
  ],
  "etymology_text": "From up (“(computing) functional, working”, adjective) + time.",
  "forms": [
    {
      "form": "uptimes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "uptime (countable and uncountable, plural uptimes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "98 2",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w+disamb"
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          "_dis": "98 2",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "98 2",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "The period of time a computer has functioned since last requiring a reboot."
      ],
      "id": "en-uptime-en-noun-zUcDmK4A",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "time",
          "time"
        ],
        [
          "computer",
          "computer"
        ],
        [
          "reboot",
          "reboot"
        ]
      ],
      "raw_glosses": [
        "(computing) The period of time a computer has functioned since last requiring a reboot."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "ref": "2006, Fred K. Geitner and Heinz P. Bloch, chapter 1, in Maximizing Machinery Uptime, Elsevier, →ISBN, page 1:",
          "text": "To achieve uptime optimization, the machinery specification and actual design must be right.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The amount of time, or the proportion of total time, during which some system or machinery is operable."
      ],
      "id": "en-uptime-en-noun-3zMn2XZG",
      "links": [
        [
          "system",
          "system"
        ],
        [
          "machinery",
          "machinery"
        ],
        [
          "operable",
          "operable"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "uptime"
}

{
  "antonyms": [
    {
      "word": "downtime"
    }
  ],
  "categories": [
    "English 2-syllable words",
    "English compound terms",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English uncountable nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "up",
        "3": "time",
        "pos1": "adjective",
        "t1": "(computing) functional, working"
      },
      "expansion": "up (“(computing) functional, working”, adjective) + time",
      "name": "af"
    }
  ],
  "etymology_text": "From up (“(computing) functional, working”, adjective) + time.",
  "forms": [
    {
      "form": "uptimes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "uptime (countable and uncountable, plural uptimes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Computing"
      ],
      "glosses": [
        "The period of time a computer has functioned since last requiring a reboot."
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "time",
          "time"
        ],
        [
          "computer",
          "computer"
        ],
        [
          "reboot",
          "reboot"
        ]
      ],
      "raw_glosses": [
        "(computing) The period of time a computer has functioned since last requiring a reboot."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    },
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2006, Fred K. Geitner and Heinz P. Bloch, chapter 1, in Maximizing Machinery Uptime, Elsevier, →ISBN, page 1:",
          "text": "To achieve uptime optimization, the machinery specification and actual design must be right.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The amount of time, or the proportion of total time, during which some system or machinery is operable."
      ],
      "links": [
        [
          "system",
          "system"
        ],
        [
          "machinery",
          "machinery"
        ],
        [
          "operable",
          "operable"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "uptime"
}