laser

Noun
  1. An acronym for light amplification by stimulated emission of radiation;
    An optical device that produces an intense monochromatic beam of coherent light (synset 103648567)
    is a type of: optical device - a device for producing or controlling light
    is a part of: photocoagulator - surgical instrument containing a laser for use in photocoagulation
    same as: optical maser

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