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



BrE BrE//ˈblʌdstriːm//
; NAmE NAmE//ˈblʌdstriːm//
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the blood flowing through the body They injected the drug directly into her bloodstream.Extra examples Red blood cells transport oxygen through the bloodstream. The drug is quickly absorbed into the bloodstream. Traces of banned substances were detected in his bloodstream.
See the Oxford Advanced American Dictionary entry: bloodstream