屈くっ折せつ率りつMeaningsNoun1. refractive indexKanji used屈bend折fold率ratioPitch accentくっせつりつComposed of屈くっ折せつbending; curving; twisting; turning; winding; warping (of feelings, logic, etc.); distortion; refraction; inflectionNoun率りつrate; ratio; proportion; percentageNoun