Definition of pressure plate in English:

pressure plate

noun

  • 1A plate for detecting or receiving pressure, especially in an anemometer.

  • 2A plate for applying pressure, especially in a clutch or for holding the film in place in a camera.

Origin

Mid 19th century; earliest use found in Reports of the British Association for the Advancement of Science. From pressure + plate.

Pronunciation

pressure plate

/ˈprɛʃə ˌplɛɪt/