radial

adj

1. Arranged like rays that radiate from, or converge to, a common centre.

   “The spokes on most modern bicycle wheels are tangential to the hub rather than radial.”

   “A doorknob of whatever roundish shape is effectively a continuum of levers, with the axis of the latching mechanism—known as the spindle—being the fulcrum about which the turning takes place. Applying a force tangential to the knob is essentially equivalent to applying one perpendicular to a radial line defining the lever.”

2. Of, or relating to a radius (line joining to a geometric centre).

   “What is the relationship between arc length and radial length?”

3. Of, or relating to a radius (line joining to a geometric centre).

   “radial velocity”

4. Of, or relating to the radius bone.
5. Of, or relating to the radius (vein), and/or the wing areas next to it.
6. Developing uniformly on all sides.
7. Having reinforcing cords placed in parallel across the tyre at 90 degrees to the direction of travel, especially as contrasted with cross-ply; see also radial tyre.

noun

1. An item in a radial configuration, such as a spoke of a wheel.
2. An item in a radial configuration, such as a spoke of a wheel.
3. A radial tire / radial tyre.

   “Let me have my toaster and my TV and my steel-belted radials and I won't say anything. Just leave us alone.”