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Definition of expectoration noun from the Oxford Advanced Learner's Dictionary

expectoration

noun
 
/ɪkˌspektəˈreɪʃn/
 
/ɪkˌspektəˈreɪʃn/
[uncountable] (formal)
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  1. the action of coughing and making phlegm (= a thick substance) come up from your lungs so you can spit it out
trait
noun
 
 
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