laserdisc

noun
🔊/ˈleɪzədɪsk/
🔊/ˈleɪzərdɪsk/
(also laserdisk)
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  1. a plastic disc like a large CD on which large amounts of information, such as video or music, can be stored, now generally replaced by the DVD激光光盘;激光影碟Topics Musicc2