metal detector

noun

plural metal detectors
: a device that detects the presence of hidden metal: such as
a
: a security device that scans individuals for dangerous objects (such as weapons)
I boarded the plane armed with several frying thermometers, which set off the metal detectorJeffrey Steingarten
Once inside the theater, the crowd had to pass through an airport-style metal detector as a security precaution.Richard Zoglin
b
: a handheld apparatus that uses electrical induction (see induction sense 4c) to detect the presence of metallic objects (such as coins or jewelry) buried a short distance underground
A local man using a metal detector stumbled upon the site last March. He found two copper brooches, or pins, measuring four inches across.Time for Kids

Examples of metal detector in a Sentence

Recent Examples on the Web
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Over a dozen sheriff’s deputies ushered people through metal detectors and searched bags outside of a meeting room at the county administration building. Cody Copeland, Fort Worth Star-Telegram, 4 Feb. 2025 The decision to pilot metal detectors at Antioch High School was not made lightly. Nate Rau, Axios, 4 Feb. 2025 The detector weighed less than 14 kilograms and operated much like the metal detectors used by beachcombers today. IEEE Spectrum, 8 Jan. 2025 In September 2021, the House Committee on Ethics fined Crenshaw $5,000 for bypassing the Capitol metal detectors before entering the chamber's Republican cloakroom. David Faris, Newsweek, 27 Dec. 2024 See all Example Sentences for metal detector 

Word History

First Known Use

1880, in the meaning defined above

Time Traveler
The first known use of metal detector was in 1880

Dictionary Entries Near metal detector

Cite this Entry

“Metal detector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/metal%20detector. Accessed 21 Feb. 2025.

Last Updated: - Updated example sentences
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