1. poppet

noun. a mushroom-shaped valve that rises perpendicularly from its seat; commonly used in internal-combustion engines.


  • ICE
  • valve
  • internal-combustion engine

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Sentences with poppet

1. Noun, singular or mass
The spring once again pulls the poppet away from the opening when you turn the water off, allowing air to come in and equalize the pressure in the pipe.