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English definition of “scan”

scan

verb [T]     /skæn/ (present participle scanning, past tense and past participle scanned)
EXAMINE to examine something with a machine that can see inside an object or body: Airports use X-ray machines to scan luggage for weapons.Medical examinationAnalysing and evaluatingAssessing and estimating value
COMPUTER to use a piece of equipment that copies words or pictures from paper into a computer: to scan photos into a computerComputer concepts
LOOK to look around an area quickly to try to find a person or thing: She scanned the crowd for a familiar face.Using the eyesEyesight, glasses and lensesThe eye and surrounding areaPerceptive
READ (also scan through) to quickly read a piece of writing to understand the main meaning or to find a particular piece of information: I scanned the travel brochures looking for a cheap holiday.Using the eyesEyesight, glasses and lensesThe eye and surrounding areaPerceptiveReading
(Definition of scan verb from the Cambridge Learner's Dictionary © Cambridge University Press)

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