disc ( magˌnetic ˈdisk) a flat piece of metal or plastic used for storing information on a computer（计算机）磁盘◆Can you read this disk?你（的计算机）能读取这张磁盘吗？◆I'm running out of disk space.我的磁盘空间快用完了。◆I'll send you a copy of the report on disk.我会将磁盘上的报告发一份拷贝给你。floppy disk hard disk