To treat with ozone.
An allotrope of oxygen (symbol O₃) having three atoms in the molecule instead of the usual two; it is a toxic gas, generated from oxygen by electrical discharge.
Hypernym: greenhouse gas
Fresh air, especially that breathed at the seaside and smelling of seaweed.
To expose something to the circulation of fresh air.
To provide with a vent.
To replace stale or noxious air with fresh.
To provide manual or mechanical breathing to a patient.
To circulate air through a building, etc.
To expose something to public examination or discussion.
To shoot with a firearm; to pierce with bullets.