eraser (EN)

noun

noun “eraser”

1. (especially US) an object made of rubber or other material used to remove pencil marks from paper
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   While solving math problems, she often used her eraser to correct mistakes.
2. an object used to clean marks from a chalkboard or whiteboard
   After the lecture, the teacher picked up the eraser and wiped the notes from the board.
3. (computing) a program that securely deletes data by overwriting it
   To protect his privacy, he ran an eraser to wipe all personal data from his computer.