Radial



[rey-dee-uh l] /ˈreɪ di əl/

adjective
1.
arranged like radii or rays.
2.
having spokes, bars, lines, etc., arranged like radii, as a machine.
3.
made in the direction of a radius; going from the center outward or from the circumference inward along a radius:
a radial cut.
4.
Zoology. pertaining to structures that radiate from a central point, as the arms of a starfish.
5.
of, like, or pertaining to a radius or a ray.
6.
Machinery.

7.
Anatomy, Entomology. of, relating to, or situated near the radius.
8.
acting along or in the direction of the radius of a circle:
radial motion; radial velocity.
noun
9.
a radial section or construction.
10.
Automotive. .
/ˈreɪdɪəl/
adjective
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) (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 Compare tangential (sense 2)
noun
7.
a radial part or section
8.
(zoology)

9.
short for radial tyre, radial drilling machine
adj.

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.

radial ra·di·al (rā’dē-əl)
adj.

ra’di·al·ly adv.

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  • Radial artery

    radial artery n. radial artery (rā’dē-əl) A major artery that follows the course of the radius on the ventral aspect of the forearm to the wrist, where it is felt as a pulse, and enters the hand. It supplies blood mostly to the thumb, index finger, and muscles of the forearm.

  • Radial collateral artery

    radial collateral artery n. An artery that is the anterior terminal branch of the deep brachial artery, anastomosing with the radial recurrent artery.



  • Radial-engine

    noun, Aeronautics. 1. an internal-combustion engine having the cylinders arranged in radial opposition, found mainly on older aircraft. noun 1. an internal-combustion engine having a number of cylinders arranged about a central crankcase

  • Radial drilling machine

    noun 1. a machine in which the drilling head is mounted to slide along a radial arm which can be rotated, raised, or lowered on a vertical mast to adjust the position of the drill above the workpiece Often shortened to radial



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