radial

[rey-dee-uh l]

adjective

noun

a radial section or construction.
Automotive. radial tire.

Nearby words

  1. radhakrishnan, sarvepalli,
  2. radi-,
  3. radiability,
  4. radiable,
  5. radiad,
  6. radial artery,
  7. radial artery ,
  8. radial collateral artery,
  9. radial drilling machine,
  10. radial engine

Origin of radial

1560–70; < Medieval Latin radiālis, equivalent to Latin radi(us) beam, ray (see radius) + -ālis -al1

Related formsra·di·al·i·ty, nounra·di·al·ly, adverbmul·ti·ra·di·al, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for radial


British Dictionary definitions for radial

radial

adjective

(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)

noun

a radial part or section
zoology
  1. any of the basal fin rays of most bony fishes
  2. a radial or radiating structure, such as any of the ossicles supporting the oral disc of a sea star
Derived Formsradially, adverb

Word Origin for radial

C16: from Medieval Latin radiālis from radius

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for radial

radial

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.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for radial

radial

[rādē-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.
Related formsradi•al•ly adv.


The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.