Definition: Error correction is a process of identifying, correcting, or mitigating errors in a text or other source. It aims to make the text more accurate by eliminating the original mistake. Definition: Error Correction - In error detection, an algorithm that finds the most likely errors and corrects them to produce a new output message. This can be done for both logical (i.e., grammatical errors) and syntactic (i.e., spelling or punctuation errors).