A general term for the process of inspecting and/or editing a map manuscript or proof for the purpose of correction. When a proof is inspected it is annotated using special proofreaders' marks or abbreviations that indicate the necessary changes.

An enzymatic mechanism that corrects errors in DNA synthesis.

Reading and checking one's writing to check for spelling and grammar errors.

Mechanism for correction of errors made during synthesis of nucleic acids or polypeptides by scrutiny of the products after the nucleotides or amino acids have already been incorporated.

Strictly, checking a proof before printing to ensure that no mistakes have been made in typesetting. The term is often used by translators in the sense of -revising. When typesetting a translated text, it is advisable to let the translator who performed the translation proofread the typeset document, especially when the text is written in a language foreign to the typesetter.