收敛级数 shōuliǎnjíshù convergent series Origin Definitions Defs Strokes Stroke Words Sentences Sents 收敛 收斂 shōuliǎn to converge (mathematics) To approach a definite limit as the number of terms in a series or sequence becomes infinitely large.级数 級數 jíshù series a mathematical sequence of numbers added together; progression