polar coordinate

American  

noun

Mathematics.

1. Usually polar coordinates one of two coordinates used to locate a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis polar angle.

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Etymology

Origin of polar coordinate

First recorded in 1810–20

Example Sentences

Eventually she leads us toward more abstract concepts such as the polar coordinate system, a graphical approach to defining a point using distance and angle, as well as irrational numbers and decimals that repeat infinitely.

From Scientific American • Jun. 20, 2023

Figure 7.29 Three points plotted in the polar coordinate system.

From Textbooks • Mar. 30, 2016

To plot a point in the polar coordinate system, start with the angle.

From Textbooks • Mar. 30, 2016

The polar coordinate system appears in the following figure.

From Textbooks • Mar. 30, 2016

Figure 1.29 Three points plotted in the polar coordinate system.

From Textbooks • Mar. 30, 2016