Valsalva device (English, noun)
expansion: Valsalva device (plural Valsalva devices)
Senses:
glosses: A device used in spacesuits and diving helmets to allow the wearer to equalize the pressure in their ears by performing the Valsalva maneuver inside the suit without using their hands to block their nose.
Forms:
form: Valsalva devices
tags: plural