- arranged like radii or rays.
- having spokes, bars, lines, etc., arranged like radii, as a machine.
- made in the direction of a radius; going from the center outward or from the circumference inward along a radius: a radial cut.
- Zoology. pertaining to structures that radiate from a central point, as the arms of a starfish.
- of, like, or pertaining to a radius or a ray.
- having pistons moving inward and outward from a central point or shaft: a radial engine; a radial pump.
- noting a bearing designed primarily to take thrusts radial to the center of rotation.
- Anatomy, Entomology. of, relating to, or situated near the radius.
- acting along or in the direction of the radius of a circle: radial motion; radial velocity.
- a radial section or construction.
- Automotive. radial tire.
Origin of radial
Examples from the Web for radial
The radial velocity is, numerically, greater than could have been supposed.Lectures on Stellar Statistics
Carl Vilhelm Ludvig Charlier
The first three have bilateral, the last has radial symmetry.Form and Function
E. S. (Edward Stuart) Russell
By this process, only the central boards would be radial or "rift" boards.Handwork in Wood
That the positions of the camera should not be parallel but radial.
But this radial formula is just as applicable to Richardson's E. lucius: 'D.Bass, Pike, Perch, and Others
James Alexander Henshall
- (of lines, bars, beams of light, etc) emanating from a common central point; arranged like the radii of a circle
- of, like, or relating to a radius or ray
- spreading out or developing uniformly on all sides
- of or relating to the arms of a starfish or similar radiating structures
- anatomy of or relating to the radius or forearm
- astronomy (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 objectCompare tangential (def. 2)
Word Origin and History for radial
c.1400, "of or like a ray or radius," from Medieval Latin radialis, from Latin radius "shaft, rod; spoke of a wheel; beam of light" (see radius). As a noun, a type of tire, attested from 1965, short for radial-ply (tire). Related: Radially.
- Of, relating to, or near the radius or forearm.
- Moving or directed along a radius.
- Radiating from or converging to a common center.