Word Study
    Pneumothorax
WORDNET DICTIONARY
Noun Pneumothorax has 1 sense
CIDE DICTIONARY
Pneumothorax, n. [Gr.  air + E. thorax.]. 
                                            
                                         A condition in which air or other gas is present in the cavity of the chest; -- called also pneumatothorax .                                                                                 [1913 Webster]                                                                                                                    
                                                                                    OXFORD DICTIONARY
Pneumothorax, n.  the presence of air or gas in the cavity between the lungs and the chest wall.
                    
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