顶点

頂點
dǐngdiǎn
  1. summit
  2. peak
  3. (math.) vertex

CEDICT

math

Entry Composition

1 顶 dǐng
  1. apex
  2. crown of the head
  3. top
  4. roof
  5. most
  6. to carry on the head
  7. to push to the top
  8. to go against
  9. to replace
  10. to substitute
  11. to be subjected to (an aerial bombing, hailstorm etc)
  12. (slang) to "bump" a forum thread to raise its profile
  13. classifier for headwear, hats, veils etc
2 点 diǎn
  1. to touch briefly; to tap
  2. to mark with a dot; to check off (on a list)
  3. to order (food etc); to select
  4. to mention; to bring up (a topic or person)
  5. to hint at; to imply
  6. to administer (eye medicine etc) in drops
  7. to light (a fire, a lamp etc); to ignite
  8. to nod (one's head) in agreement; to beckon by moving (one's hand) up and down
  9. point; dot; spot; speck
  10. dot stroke in Chinese characters
  11. (math.) decimal point
  12. point in time or space
  13. (after a number) o'clock
  14. a small amount; a bit; (after a verb or adjective) a bit more
  15. classifier for small amounts