1. (noun)bonding a close personal relationship that forms between people (as between husband and wife or parent and child) Synonyms: soldering
2. (noun)bonding (dentistry) a technique for repairing a tooth; resinous material is applied to the surface of the tooth where it adheres to the tooth's enamel Synonyms: soldering
3. (noun)bonding, soldering fastening firmly together Synonyms: soldering, bonding