雙曲餘割

双曲余割
shuāngqūyúgē
hyperbolic cosecant, i.e. function cosech(x)

CEDICT

Entry Composition

1 雙曲 shuāngqū
  1. hyperbola
  2. hyperbolic (function)
2 餘割 yúgē cosecant (of angle), written cosec θ or csc θ