|1.||(of lines, bars, beams of light, etc) emanating from a common central point; arranged like the radii of a circle|
|2.||of, like, or relating to a radius or ray|
|3.||spreading out or developing uniformly on all sides|
|4.||of or relating to the arms of a starfish or similar radiating structures|
|5.||anatomy of or relating to the radius or forearm|
|6.||astronomy Compare tangential (of velocity) in a direction along the line of sight of a celestial object and measured by means of the red shift (or blue shift) of the spectral lines of the object|
|7.||a radial part or section|
|a. any of the basal fin rays of most bony fishes|
|b. a radial or radiating structure, such as any of the ossicles supporting the oral disc of a sea star|
|9.||radial tyre short for radial drilling machine|
|[C16: from Medieval Latin radiālis from |
radial ra·di·al (rā'dē-əl)
Of, relating to, or near the radius or forearm.
Moving or directed along a radius.
Radiating from or converging to a common center.