radius
Meaning
-
- The long bone in the forearm, on the side of the thumb.
- The lighter bone (or fused portion of bone) in the forelimb of an animal.
- One of the major veins of the insect wing, between the subcosta and the media; the vein running along the costal edge of the discal cell.
- A line segment between any point of a circle or sphere and its center.
- The length of this line segment.
- Anything resembling a radius, such as the spoke of a wheel, the movable arm of a sextant, or one of the radiating lines of a spider's web.
Synonyms
Frequency
Hyphenated as
ra‧di‧us
Pronounced as (IPA)
/ˈɹeɪ.di.əs/
Etymology
Borrowed from Latin radius (“ray”). Doublet of ray.
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Notes