The air in a particular place.
The gases surrounding the Earth or any astronomical body.
Extras in a scene who have no spoken lines.
The conditions (such as music, illumination etc.) that can influence the mood felt in an environment.
The apparent mood felt in an environment.
A unit of measurement for pressure equal to 101325 Pa (symbol: atm)
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.