双曲线正弦 shuāng qū xiàn zhèng xián

DEFINITIONS

  1. hyperbolic sine or sinh (math.)

CHARACTERS

双 shuāng set of two, pair, couple; both
曲 qū crooked, bent; wrong, false
线 xiàn line, thread, wire; clue
正 zhèng right, proper, correct
弦 xián string; hypotenuse, crescent