弦切角 xián qiē jiǎo

DEFINITIONS

  1. chord angle (i.e. angle a chord of a curve makes to the tangent)

CHARACTERS

弦 xián
HSK 6
string; hypotenuse, crescent
切 qiē
HSK 4
cut, mince, slice, carve
角 jiǎo
HSK 3
horn; angle, corner; point