Word Type

Noun

Verb

The word "radius" can be used as noun and verb.

Word Relationships

Derived Terms

Bohr radius Debye radius Earth radius Einstein radius Hill radius Roche radius Schwarzschild radius atomic radius blast radius circumradius covalent radius distal radius equiradiate exradius gyradius gyroradius hydraulic radius hyperradius inradius interradius ionic radius metallic radius potato radius radian radion radius arm radius bar radius of action radius of convergence radius of curvature radius of gyration radius rod radius vector sight radius triradius van der Waals radius

Context

anatomy computing entomology geometry zoology

Broader Terms (Hypernyms)

arm bone length part region straight line support

Type Of (IsA)

arm bone bone length long bone region straight line

Part Of

arm diameter forearm

Related Terms

radiad radial radiate radiation semidiameter ulna

Related Terms

bone circle forearm media radial radiate semidiameter subcosta thumb ulna

Synonym Network

r spoke

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.