eat away(redirected from ate away)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia.
To erode or wear something away. Don't use that harsh cleaner—it will eat away at a soft metal like this.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
eat something away
to erode something; to consume something bit by bit. The acid ate the finish away. It ate away the finish.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.