环烷烃 Traditional form: 環烷烴 Pinyin (reading): huánwántīng Definitions: cycloalkane Characters: 环 - bracelet, ring; to surround, to loop 烷 - alkane 烃 - hydrocarbon Traditional characters: 環 - bracelet, ring; to surround, to loop 烷 - alkane 烴 - hydrocarbon