1. [ adjective ] relating to or moving along or having the direction of a radius

"radial velocity"

Related terms: radius
2. [ adjective ] relating to or near the radius

"the radial aspect of the forearm"

Related terms: radius
3. [ adjective ] arranged like rays or radii; radiating from a common center
Synonyms: stellate

"radial symmetry" "a starlike or stellate arrangement of petals" "many cities show a radial pattern of main highways"

Related terms: symmetrical
4. [ adjective ] issuing in rays from a common center; relating to rays of light

"radial heat"

Related terms: beam
5. [ noun ] (transportation) pneumatic tire that has radial-ply casing
Synonyms: radial_ply_tire radial-ply_tire radial_tire
Related terms: pneumatic_tire
Similar spelling:   radially