- Department of Public Safety.
- Delivery Point Sequence - a system of automated letter sorting used by the United States Postal Service.
- (gaming) Damage per second, a standard way to calculate the damage dealt to other players or creatures in online role-playing games.
- (by extension, gaming) A player, player character, or unit whose primary role is to deal the maximum amount of damage possible, as opposed to a tank.
- (nuclear physics) disintegrations per second