Radius

Quick meaning: Radius is a noun meaning (anatomy) The long bone in the forearm, on the side of the thumb.

Meaning

(anatomy) The long bone in the forearm, on the side of the thumb.

More Meanings

1. (zoology) The lighter bone (or fused portion of bone) in the forelimb of an animal.
2. (geometry) A line segment between any point of a circle or sphere and its center.
3. (geometry) The length of this line segment.
4. 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.
5. (graph theory) The minimum eccentricity of any vertex, for a given graph.
6. (transitive) To give a rounded edge to.
7. (entomology) 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.

Example Sentences

A comfortable grip is ensured by smoothing the surface of the handle and radiusing the edge.

Fatima claims to have visited all the bars within a five-mile radius of her Manhattan apartment.

It is also obvious, and proved by experiment, that the rotatory motions observed in the hand proceed from the rotatory motions of the radius.

We start with spherical geometries. The two geometries on spheres of radiuses R₁ and R₂ are obviously identical if R₁ = R₂; moreover, the converse also holds.

Word Forms

• radii
• radiuses
• radiusing
• radiused

Synonyms for radius

Depending on context, synonyms include R, spoke.

Related Words

Related dictionary entries include spoke, r, turf, x-ray, glimmer, bright.

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