1) Erasure 1) Legal terminology 
In the common law legal system, an expungement proceeding is a type of lawsuit in which a first time offender of a prior criminal conviction seeks that the records of that earlier process be sealed, thereby making the records unavailable through the state or Federal repositories. If successful, the records are said to be `expunged`. Black`s Law......
Official and formal erasure of a record or partial contents of a record.
Official and formal erasure of a record or partial contents of a record.
Official and formal removal of conviction from a criminal record.