1. electronic devices that convert printed text or images into digital format
2. devices that detect and monitor radio frequencies or signals
3. medical imaging devices that create detailed pictures of internal body structures
Usage: medical

Examples

• The office bought new scanners to digitize old documents.
• Police officers use radio scanners to monitor emergency communications.
• The hospital’s MRI scanners help doctors diagnose internal injuries.
• Grocery stores use barcode scanners at checkout counters.
• Document scanners have made paperless offices more feasible.
• Airport security scanners detect prohibited items in luggage.
• The library’s book scanners preserve rare manuscripts digitally.