二分 にぶん Meanings Noun, する verb, Transitive, Intransitive halving; dividing (into two parts); bisection Noun the two equinoxes (vernal and autumnal) Kanji 二 two. Read as ニ. 分 part. Read as ブン. Words containing 二分 十二分 (じゅうにぶん) more than enough 二分法 (にぶんほう) dichotomy 二分音符 (にぶおんぷ) half note And 9 more. Jinuma: Japanese Dictionary · Word lists