Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: laser  ley-zu(r)
  1. An acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light
    - optical maser

Derived forms: lasers

Type of: optical device

Part of: photocoagulator

Encyclopedia: Laser