無む限げん遠えん点てん

noun

point at infinity

Mathematical term used in projective geometry and related fields to represent an ideal point where parallel lines meet.

• 射しゃ影えい幾き何か学がくでは、平へい行こう線せんは無む限げん遠えん点てんで交まじわる。

  In projective geometry, parallel lines intersect at a point at infinity.