metal detector

• Appareil électronique qui détecte la présence d'objets métalliques, utilisé notamment pour les contrôles de sécurité ou la recherche de trésors.

An electronic device that detects the presence of metal objects, typically used for security screening or treasure hunting.

1. Security deviceB1formal

   An electronic device that detects the presence of metal objects, typically used for security screening.

   détecteur de métaux

   • Passengers must walk through a metal detector at the airport.
   • The security guard used a handheld metal detector to check bags.
   • The metal detector beeped when he walked through with his keys.

2. Hobbyist toolB1informal

   A portable device used by hobbyists to find buried metal objects like coins, jewelry, or relics.

   détecteur de métaux

   • He took his metal detector to the beach to look for lost coins.
   • She found an old silver ring with her metal detector.
   • Metal detector enthusiasts often search old battlefields for artifacts.