He stepped over to the privacy booth and then to the scanner machines.
But can a scanner the size of a TV remote really tell when that chicken goes bad?
For the record, the flight itself results in 100 to 1,000 times more exposure than the scanner that got you onto the plane.
1550s, "person who examines critically," agent noun from scan (v.). From 1927 as a type of mechanical device, in mid-20c. use especially of radar and medical devices; later of computer accessories.
1. An input device that takes in an optical image and digitises it into an electronic image represented as binary data. This can be used to create a computerised version of a photo or illustration.
A scanner may be linked to optical character recognition software allowing printed documents to be converted to electronic text without having to type them in at a keyboard.
2. lexical analyser.