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English definition of “scan”

scan

verb [I/T]    /skæn/ (-nn-)
to examine something carefully: [I] This technique is used to scan for defective genes. If an image or text on paper is scanned into a computer, it is changed into electronic information by a special device: [T] A little hand-held device beeps as soon as it has scanned a bar code. If you scan a text you read it quickly: [T] I scanned a few pages of the book and thought it looked interesting.
(Definition of scan verb from the Cambridge Academic Content Dictionary © Cambridge University Press)
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