化か学がく反はん応のうMeaningsNoun1. chemical reaction2. generation of an unexpected result from combining thingsKanji used化transformation学study反be against応respond with actionPitch accentかがくはんのうComposed of化か学がくchemistryNoun反はん応のうreaction; response; physical reaction (to a stimulus); observable response (of an organism); effect; changeNoun