Definition of photochemical smog in English:

photochemical smog

Line breaks: photo|chem¦ical smog

Entry from British & World English dictionary


[mass noun]
Haze in the atmosphere accompanied by high levels of ozone and nitrogen oxides, caused by the action of sunlight on pollutants.

Definition of photochemical smog in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day anastrophe
Pronunciation: əˈnastrəfi
the inversion of the usual order of words...