erase
definition: remove from memory or existence
example: The Turks erased the Armenians in 1915
speech part: verb
synonyms:
wipe out
definition: wipe out digitally or magnetically recorded information
example: Who erased the files form my hard disk?
speech part: verb
synonyms:
delete
definition: remove by or as if by rubbing or erasing
example: Please erase the formula on the blackboard--it is wrong!
speech part: verb
synonyms:
efface