Definition of arterial adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//ɑːˈtɪəriəl//
    ; NAmE NAmE//ɑːrˈtɪriəl//
    [only before noun]
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  1. 1connected with the tubes that carry blood from the heart to other parts of the body arterial blood/disease
  2. 2connected with a large and important road, river, railway/railroad line, etc. an arterial road