a device that produces a narrow and powerful stream of light that has many special uses in medicine, industry, etc.
doctors using a laser to perform delicate eye surgery
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Recent Examples of laserThe fine details on their birdhouses are made using different tools available to them at Dallas Makerspace, including 3D printers and lasers.—Dallas Morning News, 23 Feb. 2026 Drones are using sonar, laser, optic and echo sound technology to look for debris on the ocean floor at depths of up to 6,000 metres.—The Week Uk, TheWeek, 22 Feb. 2026 Instead of using magnets or chemicals that can fade, a very fast laser (called a femtosecond laser) is used to create tiny, permanent marks deep inside the glass.—New Atlas, 21 Feb. 2026 Waymo uses cameras, lidar (laser radar that builds a 3D map around the car) and traditional radar.—Kim Komando, FOXNews.com, 21 Feb. 2026 See All Example Sentences for laser