vanishing point

1. N-COUNT : usu sing

The vanishing point is the point in the distance where parallel lines seem to meet.

• The highway stretched out ahead of me until it narrowed to a vanishing point some miles away.
  

2. N-UNCOUNT

If you say that something has reached vanishing point, you mean it has become very small or unimportant.    

• By 1973, this gap had narrowed almost to vanishing point.

... Cobuild

[토목건축] 소점 (消點).  

입체를 투영할 때 그것을 구성하는 투영면과 평행이 아닌 일군의 평행선이 투영화면상에서 만나는 한 점.

... 다음사전