1. Initialism of Delivery Point Sequence (a system of automated letter sorting used by the United States Postal Service.)
  2. (gaming) Initialism of damage per second (a standard way to calculate the damage dealt to other players or creatures in online role-playing games.)
    1. (by extension, gaming) A player or unit whose primary role is to deal the maximum amount of damage possible (as opposed to holding the attention of the enemy, healing, or other tasks).
  3. (government, US) Initialism of Department of Public Safety.
  4. (NASA, planetology) Initialism of Division for Planetary Sciences.
  5. (nuclear physics) Initialism of disintegrations per second.


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