切触

切触	qiè chù	osculation (higher order tangency)
切	qiē	to cut; to slice; to carve / (math.) tangential
切	qiè	definitely; absolutely (not) / (scoffing or dismissive interjection) Yeah, right.; Tut! / to grind / (bound form) close to / (bound form) eager / to correspond to / (used to indicate that the fanqie 反切 system should be applied to the previous two characters)
触	chù	to touch / to make contact with sth / to stir up sb's emotions