| cold-blooded vertebrate comprised of frogs and toads, newts and salamanders and caecilians |
| phylum comprised of arthropods |
radial (ˈreɪdɪəl) ![]() | |
| —adj | |
| 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 |
| —n | |
| 7. | a radial part or section |
| 8. | zoology |
| 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 | |
| 'radially | |
| —adv | |
radial ra·di·al (rā'dē-əl)
adj.
Of, relating to, or near the radius or forearm.
Moving or directed along a radius.
Radiating from or converging to a common center.