minidisk

1. (computing, dated) A 5.25-inch floppy disk.Examples: "Standard digital recording techniques are used with floppy disks rather than audio recording techniques. A smaller 5-inch-diameter disk, referred to as a minidisk, is also available. Data-storage capacity is typically 70,000 to 100,000 bytes."; "From minidisks, floppy disks, all the way to high-capacity hard disks, the flexibility of CP/M 2.0 makes it a truly universal operating system."dated