compact diskn. 鐳射碟、鐳射唱片緻密盤、光碟學術名詞光碟：資訊、高中資訊、電子工程、機械工程密閉磁碟：電機工程、電力工程英文釋義a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser