割線

割线
gēxiàn
secant line (math.)

CEDICT

math

Entry Composition

1 割 gē
  1. to cut
  2. to cut apart
2 線 xiàn
  1. thread
  2. string
  3. wire
  4. line
  5. (after a number) tier (unofficial ranking of a Chinese city)

classifiers: 條, 股, 根