relating to or moving along or having the direction of a radius
Radial velocity.
source: WordNet 3.0
issuing in rays from a common center; relating to rays of light
Radial heat.
source: WordNet 3.0
Of or pertaining to a radius or ray; consisting of, or like, radii or rays; radiated; as, (Bot.)radial projections; (Zoöl.)radial vessels or canals; (Anat.) the radial artery.
source: Webster 1913
noun
pneumatic tire that has radial-ply casing
source: WordNet 3.0
adjective satellite
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.