Look up modification in Wiktionary, the free dictionary.
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
- Body modification
- Grammatical modifier
- Home modifications
- Chemical modification, processes involving the alteration of the chemical constitution or structure of molecules