Modification may refer to: Modifications of school work for students with special educational needs Modifications (genetics), changes in appearance arising from changes in the environment Posttranslational modifications, changes to proteins arising from protein biosynthesis Modding, modifying hardware or software Mod (video gaming) Modified car Body modification Grammatical modifier Home modifications Chemical modification, processes involving the alteration of the chemical constitution or structure of molecules See also Modified (disambiguation) Modifier (disambiguation) Mod (disambiguation) Edit (disambiguation) Manipulation (disambiguation)