Circle and Radius

Related words

Circle noun - Something with a perfectly round circumference.

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Radius and circle are semantically related. In some cases you can use "Radius" instead a noun "Circle".

Nearby Words: circular, circled, circlet, circling

Radius noun - A straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere).

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Circle and radius are semantically related. Sometimes you can use "Circle" instead a noun "Radius".

Nearby Words: radiation, radial

Some of these magic circles are massive: in episode 8 of Strike Witches 2, Yoshika's magic circle has a radius exceeding the length of the Yamato when she activates her new unit.

Source: Manga / Strike Witches
Circle of Death — the 6th-level version that does this to every creature within a certain radius.

Source: One Hit Kill / Tabletop Games
If you're told "X parsecs from star Y, on planet Z", a circle will extend around star Y with the specified radius X.

Source: Video Game / Spore

Cite this Source

Radius and Circle. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/circle/radius

Circle & Radius. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/circle/radius>.

Radius or Circle. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/circle/radius.

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