A flexible plastic disk coated with magnetic material and covered by a protective jacket, used primarily in microcomputers and minicomputers to store data magnetically. Also called diskette软盘：一张包有磁性材料并覆有保护袋的软塑料圆盘，主要用于在微型计算机和小型计算机中以磁的方式储存数据 也作 diskette