radial

adjective
ra·​di·​al | \ ˈrā-dē-əl How to pronounce radial (audio) \

Definition of radial

 (Entry 1 of 2)

1 : arranged or having parts arranged like rays
2a : relating to, placed like, or moving along a radius
b : characterized by divergence from a center
3 : of, relating to, or adjacent to a bodily radius
4 : developing uniformly around a central axis

radial

noun

Definition of radial (Entry 2 of 2)

1a : a radial part
b : ray
2 : a body part (such as an artery) lying near or following the course of the radius
3 : a pneumatic tire in which the ply cords that extend to the beads are laid at approximately 90 degrees to the centerline of the tread

called also radial-ply tire, radial tire

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Other Words from radial

Adjective

radially \ ˈrā-​dē-​ə-​lē How to pronounce radially (audio) \ adverb

Examples of radial in a Sentence

Adjective

the radial form of a starfish

Recent Examples on the Web: Adjective

Specifically, orbicularis oculi can cause radial wrinkles, including crow's feet, forehead lines, and above the eyebrow lines. Maggie Maloney, Town & Country, "Everything You Need to Know About Treating Forehead Wrinkles," 11 June 2019 That outward radial acceleration is what’s keeping it there. Ryan D'agostino, Popular Mechanics, "Elon Musk: The Popular Mechanics Interview," 25 Feb. 2019 Over the past century and a half or so, the humble automobile has seen a million advancements: fuel injection, radial-ply tires, self-driving technology, cupholders. Blake Z. Rong, Popular Mechanics, "10 Innovations That Made the Modern Car," 4 Dec. 2018 The largest changes in a star's radial velocity will come when the plane of the planet's orbit is aligned with Earth. John Timmer, Ars Technica, "Sun’s closest solo star may have company," 14 Nov. 2018 The team was looking for signs that Barnard's star was shifting back and forth due to the gravitational pull of a planet, a planet-hunting approach called the radial velocity method. John Timmer, Ars Technica, "Sun’s closest solo star may have company," 14 Nov. 2018 At 1,000mph the radial load on each of Bloodhound SSC's wheels will be ~50,000G, which is why they are forged, rather than cast, the better to withstand those forces. Jonathan M. Gitlin, Ars Technica, "Bloodhound SSC: How do you build a car capable of 1,000mph?," 24 Nov. 2018 The inner walls are wide and finely terraced, and theouter ramparts display a generally radial structure of hillocks. Miguel Claro, Space.com, "See the Moon in All Its Cratered, Groovy Glory (Photo)," 25 July 2018 Outside, allées of linden trees, planted in maturity 120 years ago, have now attained Brobdingnagian magnificence (and continue in their original radial plan across many other properties in subsequent subdivisions). Hamish Bowles, Vogue, "Live Like Jay Gatsby With a Weekend Visit to This Jazz Age Mansion in Nassau County," 24 July 2018

Recent Examples on the Web: Noun

Andretti first credits the slicks, and then changing from a cross-ply construction to radials. Tim Newcomb, Popular Mechanics, "Gaining Speed: A History of the Indy 500 Racing Tire," 24 May 2019 There’s a sort of radial set up to the room, that big gem in the middle was basically a topper on a giant, carpeted wedding cake, which seemed the ideal architecture for some sort of romantic ritual. Lucy Boyle, The Cut, "Farewell to the Most Sparkly Sacred Place in New York," 30 Oct. 2017 The bias ply is easier to retread while the radial is lighter. John Cox, USA TODAY, "Ask the Captain: How pilots respond to a blown tire," 22 Oct. 2017 Line lock helps the driver warm the rear drag radials, a special air-conditioning circuit chills the intercooler, and a trans brake makes for easy launches and helps the Demon perform the briefest of wheelies. Car and Driver, "New Cars for 2018: Chrysler, Dodge, and Ram," 10 Oct. 2017 The car comes on four drag radials, but the eight-speed ZF 8HP automatic turns only the rear wheels. K.c. Colwell, Car and Driver, "2018 Dodge Challenger SRT Demon," 20 July 2017 Of the more interesting highlights, a few involve the car’s specialized Nitto drag radials. Davey G. Johnson, Car and Driver, "Dodge Demands Owners Sign Waiver When Ordering Demon," 23 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'radial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of radial

Adjective

1570, in the meaning defined at sense 1

Noun

1872, in the meaning defined at sense 1a

History and Etymology for radial

Adjective

Medieval Latin radialis, from Latin radius ray

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Statistics for radial

Last Updated

20 Jun 2019

Look-up Popularity

Time Traveler for radial

The first known use of radial was in 1570

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More Definitions for radial

radial

adjective

English Language Learners Definition of radial

 (Entry 1 of 2)

: arranged or having parts arranged in straight lines coming out from the center of a circle

radial

noun

English Language Learners Definition of radial (Entry 2 of 2)

: a type of strong tire in which cords underneath the rubber run across the tire's surface

radial

adjective
ra·​di·​al | \ ˈrād-ē-əl How to pronounce radial (audio) \

Medical Definition of radial

 (Entry 1 of 2)

1 : arranged or having parts arranged like rays
2 : of, relating to, or situated near the radius or the thumb side of the hand or forearm the radial aspect of the hand
3 : developing uniformly around a central axis radial cleavage of an egg

Other Words from radial

radially \ -​ē-​ə-​lē How to pronounce radially (audio) \ adverb

radial

noun

Medical Definition of radial (Entry 2 of 2)

: a body part (as an artery) lying near or following the course of the radius

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More from Merriam-Webster on radial

Spanish Central: Translation of radial

Nglish: Translation of radial for Spanish Speakers

Britannica English: Translation of radial for Arabic Speakers

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appealing forcibly to the mind or reason

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