定直線 dìng zhí xiàn

directrix of a parabola

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. directrix of a parabola

Characters

Character Meaning
定 dìng HSK 3
to decide; to determine; to set
直 zhí HSK 3
straight; vertical; straightforward
線 xiàn
line; wire; thread