walk-through metal detector
/wɔːk θruː ˈmɛtl dɪˈtɛktə/
Meaning
This is a security archway or frame that passengers walk through to detect any metallic objects on their person. It is a standard piece of security equipment used in airports, government buildings, and large event venues.
Examples
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Please remove your belt and coins before stepping through the walk-through metal detector.
Please remove your belt and coins before stepping through the walk-through metal detector.
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The alarm on the walk-through metal detector went off because of my watch.
The alarm on the walk-through metal detector went off because of my watch.
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Security staff will direct you to step inside the walk-through metal detector one at a time.
Security staff will direct you to step inside the walk-through metal detector one at a time.
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If you have a pacemaker, you should inform the officer before passing through the walk-through metal detector.
If you have a pacemaker, you should inform the officer before passing through the walk-through metal detector.
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The airport is upgrading to advanced body scanners to replace the old walk-through metal detectors.
The airport is upgrading to advanced body scanners to replace the old walk-through metal detectors.
Common Mistakes
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✗ I had to pass the walking metal machine.
✓ I had to pass through the walk-through metal detector.
'Walking metal machine' is incorrect; the standardized security term is 'walk-through metal detector'.
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✗ Please step into the walk-by metal finder.
✓ Please step into the walk-through metal detector.
'Walk-by metal finder' is a non-standard description. Use 'walk-through metal detector' for formal accuracy.
Related Expressions
Practice
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Please remove all metal items from your pockets before walking through the ___.
💡 The security archway that detects metal.
Show answer
walk-through metal detector
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The security officer asked me to step back and go through the ___ again.
💡 The upright metal-sensing frame.
Show answer
walk-through metal detector