"spooldown" meaning in English

{
  "antonyms": [
    {
      "word": "spoolup"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "spool",
        "3": "down"
      },
      "expansion": "spool + down",
      "name": "compound"
    }
  ],
  "etymology_text": "From spool + down.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "spooldown (uncountable)",
      "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"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Aviation",
          "orig": "en:Aviation",
          "parents": [
            "Aeronautics",
            "Transport",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2002 December 30, National Transportation Safety Board, “1.1 History of Flight”, in Aircraft Accident Report: Loss of Control and Impact with Pacific Ocean, Alaska Airlines Flight 261, McDonnell Douglas MD-83, N963AS, About 2.7 Miles North of Anacapa Island, California, January 31, 2000, archived from the original on 2022-06-16, page 9:",
          "text": "At 1620:38, the captain stated, \"gotta get it over again...at least upside down we're flyin.\" At 1620:49, the CVR recorded sounds similar to engine compressor stalls and engine spooldown. At 1620:54, the captain commanded deployment of the speedbrakes, and, about 1 second later, the first officer replied, \"got it.\" At 1620:56.2, the captain stated, \"ah here we go.\" The FDR recording ended at 1620:56.3, and the CVR recording ended at 1620:57.1.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The process of reduction of the rotational speed of a turbine engine, causing a reduction in thrust."
      ],
      "id": "en-spooldown-en-noun-XLK8N8qD",
      "links": [
        [
          "aviation",
          "aviation"
        ],
        [
          "rotational",
          "rotational"
        ],
        [
          "speed",
          "speed"
        ],
        [
          "turbine",
          "turbine"
        ],
        [
          "engine",
          "engine"
        ],
        [
          "reduction",
          "reduction"
        ],
        [
          "thrust",
          "thrust"
        ]
      ],
      "raw_glosses": [
        "(aviation) The process of reduction of the rotational speed of a turbine engine, causing a reduction in thrust."
      ],
      "related": [
        {
          "word": "spool down"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "spooldown"
}

{
  "antonyms": [
    {
      "word": "spoolup"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "spool",
        "3": "down"
      },
      "expansion": "spool + down",
      "name": "compound"
    }
  ],
  "etymology_text": "From spool + down.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "spooldown (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "spool down"
    }
  ],
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Aviation"
      ],
      "examples": [
        {
          "ref": "2002 December 30, National Transportation Safety Board, “1.1 History of Flight”, in Aircraft Accident Report: Loss of Control and Impact with Pacific Ocean, Alaska Airlines Flight 261, McDonnell Douglas MD-83, N963AS, About 2.7 Miles North of Anacapa Island, California, January 31, 2000, archived from the original on 2022-06-16, page 9:",
          "text": "At 1620:38, the captain stated, \"gotta get it over again...at least upside down we're flyin.\" At 1620:49, the CVR recorded sounds similar to engine compressor stalls and engine spooldown. At 1620:54, the captain commanded deployment of the speedbrakes, and, about 1 second later, the first officer replied, \"got it.\" At 1620:56.2, the captain stated, \"ah here we go.\" The FDR recording ended at 1620:56.3, and the CVR recording ended at 1620:57.1.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The process of reduction of the rotational speed of a turbine engine, causing a reduction in thrust."
      ],
      "links": [
        [
          "aviation",
          "aviation"
        ],
        [
          "rotational",
          "rotational"
        ],
        [
          "speed",
          "speed"
        ],
        [
          "turbine",
          "turbine"
        ],
        [
          "engine",
          "engine"
        ],
        [
          "reduction",
          "reduction"
        ],
        [
          "thrust",
          "thrust"
        ]
      ],
      "raw_glosses": [
        "(aviation) The process of reduction of the rotational speed of a turbine engine, causing a reduction in thrust."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "spooldown"
}