R and Radius

Similar meaning words

R noun - The 18th letter of the Roman alphabet.

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Radius is a synonym for r. In some cases you can use "Radius" instead a noun "R".

Radius noun - The length of a line segment between the center and circumference of a circle or sphere.

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R is a synonym for radius. You can use "R" instead a noun "Radius". popular alternative

Nearby Words: radiation, radial

Cite this Source

Radius and R. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/r/radius

R & Radius. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/r/radius>.

Radius or R. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/r/radius.

Google Ngram Viewer shows how "r" and "radius" have occurred on timeline