Definition of "hot-swappable" [hot-swappable]

• That can be inserted or removed without switching off the computer. (adjective)

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• "Hussain is working on a "hot-swappable" battery system that will require less than 15 seconds to replace a dead pack with a fresh one."
• "Looking something like a stylish, small toaster for a hard drive, the Voyager Q is designed to turn any 2.5- or 3.5-inch SATA I/II drive up to 2TB into a bootable and hot-swappable external drive solution."
• "So it came with two power supplies and two disks, both hot-swappable."