定てい点てん

noun

fixed point

Used in mathematics, surveying, navigation, and general contexts to refer to a point whose position does not change.

• 測そく量りょうでは、まず定てい点てんを決きめる。

  In surveying, we first determine a fixed point.

• この関かん数すうの定てい点てんを求もとめなさい。

  Find the fixed point of this function.