nebulizer

noun2

1. •
   A device used to convert liquid into a fine spray of aerosols, by means of oxygen, compressed air, or ultrasonic vibration.
2. •
   A device used to administer a medicine into the lungs, by converting the medicine from liquid state into a fine spray of aerosols, to be inhaled through the nose or mouth.

   • “Obviously. It's just that experts recommend measuring your peak oxygen flow and having a portable nebulizer ready.” — 2011