radius

Meaning

Noun

1. The long bone in the forearm, on the side of the thumb.
2. The lighter bone (or fused portion of bone) in the forelimb of an animal.
3. 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.
4. A line segment between any point of a circle or sphere and its center.
5. The length of this line segment.
6. 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.
7. The minimum eccentricity of any vertex, for a given graph.

Verb

To give a rounded edge to.

Synonyms

spoke

ray

tibia

semidiameter

wheel spoke

beam

semi-diameter

r

humerus

limb

limbo

metacarpus

metatarsus

patella

phalanges

rad

reel

rounding

scapula

shoulder blade

spool

toes

ulna

R

tarsus

surrounding area

spoke-bone

limb bones

baluster

rad.

blending

bobbin

carpus

circumference

dial

femur

fibula

Translations

radio

📻

rayon

Radius

raggio

radius

straal

radi

Speiche

ακτίνα

raio

radio

radius

spaakbeen

Halbmesser

Pronounced as (IPA)

/ˈɹeɪ.di.əs/

Etymology

Borrowed from Latin radius (“ray”). Doublet of ray.