lasernoun [ C ]
uk/ˈleɪ.zər/us/-zɚ/B2 (a device that produces) a powerful, narrow beam of light that can be used as a tool to cut metal, to perform medical operations, or to create patterns of light for entertainment:
laser beam
laser surgery
More examples
- The tube that carries the laser is introduced into the abdomen through a small cut in the skin.
- The laser beam heals the eye painlessly.
- The laser guidance system dramatically increases the likelihood that the missile will strike home.
- During surgery, doctors sometimes use a laser beam to vaporize tiny blood vessels.
- There was a laser show by the harbour.
Thesaurus: synonyms and related words
Physics: optics, microscopy & lasers
- binoculars
- chromatic aberration
- converging lens
- diffuse reflection
- electron microscope
- field glasses
- focus
- laser-guided
- magnification
- magnifier
- magnify
- magnifying glass
- microscopy
- opera glasses
- power
- powerful
- reflective
- resolution
- slide
- transparency
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