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| air pollution | |
noun | |
| pollution of the atmosphere; "air pollution reduced the visibility" |
| WordNet® 3.0, © 2006 by Princeton University. |
Air pollution
To learn more about Air pollution visit Britannica.com
| © 2008 Encyclopædia Britannica, Inc. |
ˈair pollution noun
Example: Air pollution is caused by smoke, toxic gases etc.
See also: air, air force, air hostess, air letter, aircraft carrier, air-gun, air-lock, air-pump, air-raid, airbag, airborne, aircraft, airfield, airily, airing, airless, airlift, airline, airliner, airmail, airman, airplane, airport, airship, airtight, airway, airy, air-conditioned, air-conditioner, air-conditioning, on the air, put on airs / give oneself airs
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| Kernerman English Multilingual Dictionary, © 2000-2006 K Dictionaries Ltd. |
air pollution
The addition of harmful chemicals to the atmosphere. The most serious air pollution results from the burning of fossil fuels, expecially in internal-combustion engines.
[Chapter:] Earth Sciences
| The American Heritage® New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. |
air pollution n.
Contamination of air by smoke and harmful gases, mainly oxides of carbon, sulfur, and nitrogen.
| The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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