Definition of "bootable" [bootable]

• That can be booted; from which one can boot the system. (adjective)
• A disk or other medium from which the system can be booted. (noun)

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• "A so-called bootable clone made on a USB drive is not actually bootable - as you know."
• "If your internal drive fails while your only backup is the so-called bootable clone on your USB drive, and you have no other disk with which to start your computer and access the Finder"
• "Table 2 is applicable to an IBM PC-1, which is fitted with either a "bootable" harddisk or an IBM Expansion Chassis."