unit-circle

Noun

(plural unit circles)

(geometry) A circle of radius 1.
(trigonometry, the unit circle) The circle of radius 1 with centre at the origin, used in defining trigonometric functions.

Usage notes

Unit circle is seldom used in the simple geometric sense, where "a circle of radius 1" is much more common.

English Wiktionary. Available under CC-BY-SA license.

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"unit-circle." YourDictionary, n.d. Web. 11 December 2018. <https://www.yourdictionary.com/unit-circle>.

APA Style

unit-circle. (n.d.). Retrieved December 11th, 2018, from https://www.yourdictionary.com/unit-circle

Also Mentioned In

Words near unit-circle in the dictionary