/ ɪˈreɪz; NAmE ɪˈreɪs/ verb [ vn ]
1.
erase sth (from sth) to remove sth completely :
She tried to erase the memory of that evening.
All doubts were suddenly erased from his mind .
You cannot erase injustice from the world.
2.
to make a mark or sth you have written disappear, for example by rubbing it, especially in order to correct it :
He had erased the wrong word.
All the phone numbers had been erased.
3.
to remove a recording from a tape or information from a computer's memory :
Parts of the recording have been erased.
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WORD ORIGIN
late 16th cent. (originally as a heraldic term meaning represent the head or limb of an animal with a jagged edge ): from Latin eras- scraped away, from the verb eradere , from e- (variant of ex- ) out + radere scrape.