雙曲餘割 shuāng qū yú gē

DEFINITIONS

  1. hyperbolic cosecant, i.e. function cosech(x)

CHARACTERS

雙 shuāng set of two, pair, couple; both
曲 qū
HSK 6
crooked, bent; wrong, false
餘 yú surplus, excess, remainder
割 gē
HSK 6
cut, divide, partition; cede