radius
- Noun. (anatomy) The long bone in the forearm, on the side of the thumb.
- Noun. (zoology) The lighter bone (or fused portion of bone) in the forelimb of an animal.
- Noun. (geometry) A line segment between any point on the circumference of a circle and its center/centre.
- Noun. (geometry) The length of this line segment.
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This entry was last updated on RefTopia from its source on 3/20/2012.