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English definition of “decongestant”

decongestant

noun [C]     /ˌdiː.kənˈdʒes.tənt/
a medicine that helps you to breathe more easily, especially when you have a coldSpecific medicines and drugsSpecific types of drug
(Definition of decongestant noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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