central angle

noun

: an angle formed by two radii of a circle

Word History

First Known Use

1766, in the meaning defined above

Time Traveler

The first known use of central angle was in 1766

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Cite this Entry

Style

“Central angle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/central%20angle. Accessed 4 Mar. 2025.

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Kids Definition

central angle

noun

: an angle with its vertex at the center of a circle and with sides that are radii of the circle

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