分体 is read as ぶんたい (buntai) and means fission.
ぶんたい
buntai
わかる
I know!
ぶんや
field
わける
to push one's way through (a crowd)
ぶんし
molecule
わかれる
to disperse
ぶんぎょう
division of labor
ぶんりつ
segregation
ぶんべつ
separation (e.g. of rubbish when recycling)
ぶんぼ
denominator
わからずや
obstinate person
わけまえ
share
ぶんしつ
detached office