eraser
nounUK /ɪˈɹeɪzə/ · US /ɪˈɹeɪsɚ/
Etymology From erase + -er.
1
One who erases.
2
Canada, Philippines, US An object used to erase or remove something written or drawn by a pen or a pencil.
- I have worn out the eraser on this pencil.
3
Canada, Philippines, US An object used to erase something written either by chalk on a chalkboard, by a marker on a whiteboard, or by some other erasable implement; a chalkboard eraser, whiteboard eraser, etc.
4
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences An overwriter program used to prevent data recovery.
- Derived terms
- bulk eraser, electric eraser, eraser dust, eraserless, eraserlike, eraser pen, ink eraser, kneaded eraser, mechanical eraser, mind eraser