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oxidant smog

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ox⋅i⋅dant smog

[ok-si-duhnt]
–noun Meteorology.
photochemical smog.

photochemical smog

–noun Meteorology.
air pollution containing ozone and other reactive chemical compounds formed by the action of sunlight on nitrogen oxides and hydrocarbons, esp. those in automobile exhaust.
Also called oxidant smog, smog.


Origin:
1957; photo- + chemical
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

photochemical smog n.
Air pollution produced by the action of sunlight on hydrocarbons, nitrogen oxides, and other pollutants.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
photochemical smog   (fō'tō-kěm'ĭ-kəl)  Pronunciation Key 
See smog.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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