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laser  - definition and synonyms

 
 
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noun [countable] physics laser pronunciation in British English /ˈleɪzə(r)/
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singularlaser
plurallasers
  1. [usually before noun] a piece of equipment that produces a powerful narrow line of light. It is used for cutting hard substances, directing the paths of missiles, and in medical operations

    The cancer cells are destroyed by a tiny laser.

    New laser eye surgery can correct your vision.

    laser beam:

    Computer technology and laser beams can be used to control the weather.

    laser display (=patterns of coloured lights):

    The crowd enjoyed the fireworks and the laser display.

derived word

bit rot

when electronic information is lost because the software or devices needed to read it are no longer available

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