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atmospheric

adjective [before noun] (AIR)
 
 
/ˌæt.məsˈfer.ɪk/

Definition

relating to the air or to the atmosphere: Plants are the main source of atmospheric oxygen. If atmospheric conditions are right, it may be possible to see this group of stars tonight.The Earth and outer space - general words
(Definition of atmospheric adjective (AIR) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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