QUINQUEVALENT Meaning of QUINQUEVALENT in English quinquevalent BrE AmE ˌkwɪŋk wɪ ˈveɪl ənt ◂ § \ -wə-; kwɪn ˈkwev ə l-, ⇨kwɪŋ- Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012