Duration
Duration noun - The period during which something exists, lasts, or is in progress.
Radius
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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Synonyms for Radius
Duration and radius are semantically related. Sometimes you can use "Duration" instead a noun "Radius".
Mutual synonyms
Both words in one sentence
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X33 Damage Amplifier item does exactly what it says for characters standing in it's radius, doubling damage done for the duration.
Source: Video Game / Alien Swarm -
Instant Death Radius: If you are lucky and skilled enough to capture the Black Ship, you can expect to enjoy naval dominance for the entire duration of the game.
Source: Video Game / Total War: Shogun 2 - Because its homing and moderate turning radius allows it to hit one enemy and those around it repeatedly for its full duration, you can fire them about without fear of missing while still keeping your focus on evading attacks or using other weapons to pile on the damage.
Source: Game Breaker / Terraria
Cite this Source
Radius and Duration. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/duration/radius
Duration & Radius. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/duration/radius>.
Radius or Duration. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/duration/radius.
Google Ngram Viewer shows how "duration" and "radius" have occurred on timeline