S: (adj) radial (relating to or near the radius) "the radial aspect of the forearm"
S: (adj) radial (relating to or moving along or having the direction of a radius) "radial velocity"
S: (adj) radial (issuing in rays from a common center; relating to rays of light) "radial heat"
S: (adj) radial, stellate, radiate (arranged like rays or radii; radiating from a common center) "radial symmetry"; "a starlike or stellate arrangement of petals"; "many cities show a radial pattern of main highways"