ozone

озо́н

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

• Without the ozone layer, we would be in danger.

  Tatoeba · CM · CC BY 2.0 FR

• We should do more to protect the ozone layer from damage.

  Мы должны сделать больше, чтобы защитить озоновый слой от повреждения.

  Tatoeba · AlanF_US · CC BY 2.0 FR

озо́н

Fresh air, especially that breathed at the seaside and smelling of seaweed