laser

• Appareil qui émet un faisceau de lumière étroit et intense par amplification optique, utilisé dans divers domaines tels que la médecine, l'industrie et les technologies.

A device that emits a narrow, intense beam of light through optical amplification, used in various applications including medicine, industry, and technology.

1. Device emitting lightB1formalscientific

   A device that emits a narrow, intense beam of light through optical amplification.

   laser

   • The surgeon used a laser to perform the eye surgery.
   • Lasers are used in barcode scanners at supermarkets.
   • The laser pointer helped the teacher highlight key points on the screen.

2. Cutting or engraving toolB2formaltechnical

   A tool that uses a concentrated beam of light to cut, engrave, or mark materials.

   Laser de découpe/gravure

   • The factory uses a laser to cut metal sheets with precision.
   • He engraved his name on the trophy using a laser.
   • Laser cutting is common in the automotive industry.