Source : WordNet®

laser
     n : an acronym for light amplification by stimulated emission of
         radiation; an optical device that produces an intense
         monochromatic beam of coherent light [syn: {optical maser}]

Source : Free On-Line Dictionary of Computing

laser
     
         (Light Amplification by Stimulated Emission of
        Radiation) The type of light source used in a {laser
        printer}.
     
        (2003-05-08)