椭圆积分 Traditional 橢圓積分 tuǒ yuán jī fēn 🔊 elliptic integral + Keep this word Meanings tuǒ yuán jī fēn 橢圓積分 (math.) elliptic integral Its characters 椭tuǒellipse圆yuáncircleHSK 5积jīto amass; to accumulate; to store upHSK 7–9分fēnminute (past the hour)HSK 1