Definition of “PCA” - English Dictionary

british dictionary

“PCA” in British English

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uk /ˌpiː.siːˈeɪ/ us /ˌpiː.siːˈeɪ/ specialized

[ U ] abbreviation for patient controlled analgesia: a process in which patients suffering pain can control when and how they receive a drug to reduce their pain

[ C ] abbreviation for posterior cerebral artery: a blood vessel that supplies blood to the back of the brain

(Definition of “PCA” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)