Fresh air, especially that breathed at the seaside and smelling of seaweed.
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
To treat with ozone.
A tendency of feeling or opinion that is concealed rather than exposed.
A current of water which flows under the surface, and often in a different direction from surface currents.
To flow under some surface.