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English definition of “painkiller”

painkiller

noun [C]     /ˈpeɪnˌkɪl.ər/ US  //
medicine used to reduce or remove physical pain : The body produces chemicals which are natural painkillers.Specific medicines and drugsSpecific types of drug painkilling     /-ɪŋ/ adjective [before noun] This tiny capsule contains effective painkilling ingredients .Describing medical treatment generally
(Definition of painkiller noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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