抗こう原げん抗こう体たい反はん応のうMeaningsNoun1. antigen-antibody reaction; AARKanji used抗oppose原original体body反be against応respond with actionPitch accentこうげんこうたいはんのうComposed of抗こう原げんantigenNoun抗こう体たいantibodyNoun反はん応のうreaction; response; physical reaction (to a stimulus); observable response (of an organism); effect; changeNoun