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 to the weather, or show the effects of such exposure, or to withstand such effects.
To endure or survive an event or action without undue damage.
To pass to windward in a vessel, especially to beat 'round.
To break down, of rocks and other materials, under the effects of exposure to rain, sunlight, temperature, and air.
To sustain the trying effect of; to bear up against and overcome; to endure; to resist.
To place (a hawk) unhooded in the open air.
Facing towards the flow of a fluid, usually air.
The short term state of the atmosphere at a specific time and place, including the temperature, relative humidity, cloud cover, precipitation, wind, etc.
Unpleasant or destructive atmospheric conditions, and their effects.
The direction from which the wind is blowing; used attributively to indicate the windward side.
A situation.