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

pertussis

noun
 
/pəˈtʌsɪs/
 
/pərˈtʌsɪs/
[uncountable] (medical)
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  1. whooping cough (= a disease, especially of children, that makes them cough and have difficulty breathing)Topics Health problemsc2
See pertussis in the Oxford Advanced American Dictionary

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