a flexible magnetic disk which acts as a portable medium for access to stored information, small, portable plastic disk coated in a magnetisable substance used for storing computer data, readable by a computer with a floppy disk drive. The physical size of disks has shrunk from the early 8 inch, to 5 1/4 inch ("minifloppy") to 3 1/2 inch ("microfloppy") while the data capacity has risen., vahetatav mailarpõhimikuga magnetketas, enamasti 3,5-tolline