- 1A colourless unstable toxic gas with a pungent odour and powerful oxidizing properties, formed from oxygen by electrical discharges or ultraviolet light. It differs from normal oxygen (O2) in having three atoms in its molecule (O3).More example sentences
- Adding that third oxygen atom makes ozone a very pushy and highly obnoxious little molecule.
- Water vapour, carbon dioxide, ozone, methane, nitrous oxide, and the chlorofluorocarbons are known as Greenhouse Gases.
- The four usual agents of deterioration in the air apart from oxygen and water are sulphur dioxide, hydrogen sulphide, ozone and nitrogen dioxide.
- 1.1 short for ozone layer.More example sentences
- Tropospheric ozone can permanently damage people's lungs and prohibit plants from producing and storing food.
- Also, the presence of stratospheric ozone sandwiched between the satellite and the troposphere makes seeing tropospheric ozone very difficult.
- So, as we learn more about stratospheric ozone and climate change, what were once two separate problems have become more and more entwined.
- 2British • informal Fresh invigorating air, especially that blowing on to the shore from the sea.More example sentences
- Because of wind patterns, most ozone blows east to Fountain Hills.
- The rain had taken the city's baseline odor of fear and body fluids and replaced it with fresh, sweet-smelling ozone.
mid 19th century: from German Ozon, from Greek ozein 'to smell'.
More definitions of ozoneDefinition of ozone in:
- The US English dictionary