1. Noun

   1.

   starting point; origin; beginning

2. 2.

   origin (of coordinate axes)

3. 3.

   datum point

Example sentences

• 原点を中心とする半径2の円と，直線 y = x − 1 の交点を求めよ。

  Consider a circle of radius 2 centered at the origin. Find its points of intersection with the line y = x - 1.