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 laserThese surfaces inhibit bacterial attachment, growth, and proliferation by using ultrafast lasers to modify the metal at a microscopic level.—Jenny Lehmann, Discover Magazine, 26 Feb. 2025 A week later, investigators recovered a handgun with a laser sight on the median.—Sam Charles, Chicago Tribune, 26 Feb. 2025 Laser Therapy Some studies have shown that at-home laser treatments to stimulate the hair follicles can help reverse thinning hair.—Kelly Burch Published, Verywell Health, 25 Feb. 2025 Using laser scanning technologies, a researcher has identified a 15th-century city in the Mexican state of Oaxaca.—Sonja Anderson, Smithsonian Magazine, 24 Feb. 2025 See All Example Sentences for laser
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