It's also the sunny source of radial, which joined our language in the 1500s as an adjective meaning "arranged or having parts arranged like rays." Radial has bourgeoned in meaning over the centuries, adopting unique applications across many fields including medicine, engineering, and astronomy.
1. arranged or having parts arranged like radii or rays. 2. made in the direction of a radius; going from the center outward or from the circumference inward along a radius: a radial cut.
Radial refers to the pattern that you get when straight lines are drawn from the centre of a circle to a number of points round the edge. The white marble floors were inlaid in a radial pattern of brass.
1. arranged or having parts arranged like radii or rays. 2. made in the direction of a radius; going from the center outward or from the circumference inward along a radius: a radial cut.