"poppet valve" meaning in English

{
  "forms": [
    {
      "form": "poppet valves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "poppet valve (plural poppet valves)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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          "source": "w"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mechanics",
          "orig": "en:Mechanics",
          "parents": [
            "Physics",
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
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      "examples": [
        {
          "ref": "1900, Patents for Inventions: Abridgments of Specifications, page 75:",
          "text": "This communication between the tank and pump is controlled by a float valve in the tanks and a cock in the pipe, while a poppet valve prevents the undrawn liquor going into the waste tank.",
          "type": "quote"
        },
        {
          "ref": "1959, David P. Morgan, editor, Steam's Finest Hour, Kalmbach Publishing Co., page 62:",
          "text": "Chesapeake & Ohio's enormous L-2 4-6-4's with Franklin rotary-cam poppet valves boasted an engine weight of 221½ tons and were coal-minded Chessie's last bid to beat the passenger diesel with a reciprocating engine.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A valve (as in an internal combustion engine) which consists of a sliding shaft with a disk on the end (the disk being shaped to alternately plug and unplug a matching port) and which is operated by springs and possibly cams interacting with the shaft."
      ],
      "id": "en-poppet_valve-en-noun-VC4-nZoE",
      "links": [
        [
          "mechanics",
          "mechanics"
        ],
        [
          "internal combustion",
          "internal combustion"
        ]
      ],
      "raw_glosses": [
        "(mechanics) A valve (as in an internal combustion engine) which consists of a sliding shaft with a disk on the end (the disk being shaped to alternately plug and unplug a matching port) and which is operated by springs and possibly cams interacting with the shaft."
      ],
      "topics": [
        "engineering",
        "mechanical-engineering",
        "mechanics",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "poppet valve"
}

{
  "forms": [
    {
      "form": "poppet valves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "poppet valve (plural poppet valves)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "en:Mechanics"
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      "examples": [
        {
          "ref": "1900, Patents for Inventions: Abridgments of Specifications, page 75:",
          "text": "This communication between the tank and pump is controlled by a float valve in the tanks and a cock in the pipe, while a poppet valve prevents the undrawn liquor going into the waste tank.",
          "type": "quote"
        },
        {
          "ref": "1959, David P. Morgan, editor, Steam's Finest Hour, Kalmbach Publishing Co., page 62:",
          "text": "Chesapeake & Ohio's enormous L-2 4-6-4's with Franklin rotary-cam poppet valves boasted an engine weight of 221½ tons and were coal-minded Chessie's last bid to beat the passenger diesel with a reciprocating engine.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A valve (as in an internal combustion engine) which consists of a sliding shaft with a disk on the end (the disk being shaped to alternately plug and unplug a matching port) and which is operated by springs and possibly cams interacting with the shaft."
      ],
      "links": [
        [
          "mechanics",
          "mechanics"
        ],
        [
          "internal combustion",
          "internal combustion"
        ]
      ],
      "raw_glosses": [
        "(mechanics) A valve (as in an internal combustion engine) which consists of a sliding shaft with a disk on the end (the disk being shaped to alternately plug and unplug a matching port) and which is operated by springs and possibly cams interacting with the shaft."
      ],
      "topics": [
        "engineering",
        "mechanical-engineering",
        "mechanics",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "poppet valve"
}