e, storage> (From "floppy disk" and "optical") A ef="module.php?name=Lexikon&file=search&eid=1&query=floppy disk">floppy disk which uses an optical tracking mechanism to improve the positioning accuracy of an ordinary magnetic head, thereby allowing more tracks and greater density. {Storage media FAQ (http://www.cis.ohio-state.edu/hypertext/faq/usenet/arch-storage/part1/faq.html)}. (1995-03-15)