Definitions
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noun (radii, pl2=radiuses)
  1. (anatomy) The long bone in the forearm, on the side of the thumb.
  2. (geometry) A line segment between any point on the circumference of a circle and its center/centre.
  3. (geometry) The length of this line segment.
Translations: 
  • Dutch: straal
  • German: Halbmesser , Radius
  • Spanish: radio
  • French: rayon
Etymology: radiusLatin, radius, "ray".


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