1. Issuing in rays from a common centre; relating to rays of light
   "radial heat"
    
2. Relating to or moving along or having the direction of a radius
   "radial velocity"
    
3. Relating to or near the radius
   "the radial aspect of the forearm"
    
4. Arranged like rays or radii; radiating from a common centre
   "radial symmetry"; "many cities show a radial pattern of main highways";
   - stellate, radiate

1. Pneumatic tire that has radial-ply casing
   "He replaced his old tires with new radials for better fuel efficiency";
   - radial tire [N. Amer], radial-ply tire [N. Amer], radial tyre [Brit], radial-ply tyre [Brit]

Derived forms: radials

See also: symmetric, symmetrical

Type of: pneumatic tire [N. Amer], pneumatic tyre [Brit]

Encyclopedia: Radial, transverse, normal