polar coordinate

noun

Definition of polar coordinate 

: either of two numbers that locate a point in a plane by its distance from a fixed point on a line and the angle this line makes with a fixed line

Examples of polar coordinate in a Sentence

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Critical mathematical applications such as Fourier transforms, Riemann zeta functions, Gaussian distributions, roots of unity, integrating over polar coordinates and pretty much anything involving trigonometry employs pi. Randyn Charles Bartholomew, Scientific American, "Let's Use Tau--It's Easier Than Pi," 25 June 2014

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'polar coordinate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of polar coordinate

1816, in the meaning defined above

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The first known use of polar coordinate was in 1816

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