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English definition of “scan”

scan

noun     /skæn/
[S] a careful or quick look through something: I gave the book a quick scan, and decided not to buy it.Using the eyesEyesight, glasses and lensesThe eye and surrounding areaPerceptive C2 [C] a medical examination in which an image of the inside of the body is made using a special machine: to do a brain scan to have an ultrasound scanMedical examination
(Definition of scan noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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