To free from dirt; to clean, to purify.
To spiritually purify; to free from guilt or sin; to purge.
To remove (something seen as unpleasant) from a person, place, or thing.
An act of cleansing; a purification.
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.