橢圓積分 tuǒ yuán jī fēn

DEFINITIONS

  1. (math.) elliptic integral

CHARACTERS

橢 tuǒ oval-shaped, elliptical, tubular
圓 yuán circle; round, circular; complete
積 jī accumulate, store up, amass
分 fēn
HSK 1
divide; small unit of time etc.