noun
poppet
A valve that opens by lifting from its seat.
The spring lifted the poppet from its seat.
Etymology
Poppet originally named a small doll or figure. The mechanical name was applied to a small moving part, including the valve that rises from its seat.
More examples
- The mechanic inspected the poppet valve.
- Pressure held the poppet closed.
- A worn poppet prevented the valve from sealing.
Forms
poppet · poppets
Similar words
- valve
- Valve is the general flow-control device; a poppet opens by lifting away from its seat.