Laserdisc Definition
 lāzərdisk 
    noun
  
 A videodisc on which audio and video signals are recorded in the form of microscopic pits, which are read by a laser beam.
 Webster's New World 
(countable) A disc in this format.
 Wiktionary 
Other Word Forms of Laserdisc
Noun
Singular:
 laserdiscPlural:
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