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English definition of “CAT scan”

CAT scan

noun [C] uk   /ˈkæt.skæn/ us  
abbreviation for computerized axial tomography scan: a medical test that involves using X-rays to create a three-dimensional image of the inside of the body: The doctor arranged for me to have a CAT scan.
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(Definition of CAT scan from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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