1 [+ object] : to remove (something that has been recorded) from a tape (such as a videotape or audiotape) or a computer disk
The recording can be erased and the tape used again.
Several important files were accidentally erased.
also : to remove recorded material from (a tape or disk)
You can erase the tape/disk and use it again.
2 a chiefly US : to remove (something written) by rubbing or scraping so that it can no longer be seen
She erased the wrong answer from her paper and filled in the correct one.
I erased the chalk marks from the blackboard.
These marks won’t erase. [=can’t be erased]
2 b [+ object] chiefly US : to remove something written from (a surface)
erase [=clean] the blackboard
3 [+ object] : to remove any thought or memory of (something)
Time has erased the event from her memory. [=she has completely forgotten the event]
— erasable /ɪˈreɪsəbəl/ adjective
an erasable tape