Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

conic section

noun

Definition of conic section

  1. 1 :  a plane curve, line, pair of intersecting lines, or point that is the intersection of or bounds the intersection of a plane and a cone with two nappes

  2. 2 :  a curve generated by a point which always moves so that the ratio of its distance from a fixed point to its distance from a fixed line is constant



Illustration of conic section

1664

First Known Use of conic section

1664


Learn More about conic section


Seen and Heard

What made you want to look up conic section? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

at a gallop

Get Word of the Day daily email!