radiate

verb
ra·di·ate | \ˈrā-dē-ˌāt \
radiated; radiating

Definition of radiate 

(Entry 1 of 2)

intransitive verb

1 : to proceed in a direct line from or toward a center

2 : to send out rays : shine brightly

3a : to issue in or as if in rays

b : to evolve by adaptive radiation

transitive verb

1 : to send out in or as if in rays

3 : to spread abroad or around as if from a center

radiate

adjective
ra·di·ate | \ˈrā-dē-ət, -ˌāt\

Definition of radiate (Entry 2 of 2)

: having rays or radial parts: such as

a : having ray flowers

b : characterized by radial symmetry : radially symmetrical

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Other Words from radiate

Adjective

radiately adverb

Synonyms & Antonyms for radiate

Synonyms: Verb

branch, fan (out), ray

Antonyms: Verb

concentrate, converge, focus, funnel, meet

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Examples of radiate in a Sentence

Verb

The pain was radiating down my arm. The sun radiates heat and light. Heat radiates from the sun.
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Recent Examples on the Web: Verb

Avelar, who has wildly curly hair and radiates empathy, was the one of the first trans women in El Salvador to make her HIV status public for political reasons. Alice Driver, Longreads, "The Road to Asylum," 30 June 2018 That power, of course, also radiates onstage, where Ms. Bouder is known for her scintillating athleticism, clarity and attack. Siobhan Burke, New York Times, "Ashley Bouder, the Feminist Ballerina With a Mission," 29 June 2018 From there, the company’s power radiates outward, dominating everything from maps to smartphone operating systems to video distribution — vacuuming up huge quantities of highly specific data about users along the way. The Editorial Board, BostonGlobe.com, "The case for breaking up Google," 14 June 2018 Evoking iconic Americana images of mom and apple pie, neighbors and hometowns, indeed, of small business itself, Main Street historically radiates a glow as warm and sweet as a wintry cup of cocoa. Steve Strauss, USA TODAY, "USA & Main: Welcome to USA TODAY's new storefront for small businesses and entrepreneurs," 7 June 2018 Through July 22, consider bold career moves as the sun radiates across this ambition zone. Aliza Kelly Faragher, Allure, "What June's Libra Horoscope Means for You," 29 May 2018 Anyone already familiar with her work as a poet and essayist would not be shocked to find that Ms. Broder radiates an immediate, cozy candor. Rachel Syme, New York Times, "In ‘The Pisces,’ a Woman and a Merman Fall in Love. Aquatic Erotica Ensues.," 26 Apr. 2018 Drummer and composer Susie Ibarra has been making exploratory music that rumbles and ruminates, radiating a rich atmosphere, drawing on traditions from the Philippines (where Ibarra’s family is from) and from beyond Southeast Asia. John Adamian, courant.com, "Susie Ibarra's DreamTime Ensemble To Play Firehouse 12," 14 Apr. 2018 There's no better time to strike up conversation than now, especially as Nightmares on Wax radiates with optimism. Kat Bein, Billboard, "Nightmares on Wax's 'Shape The Future' Tour Goes Strawless With Oceanic: Exclusive," 22 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'radiate.' 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 radiate

Verb

circa 1619, in the meaning defined at intransitive sense 1

Adjective

1668, in the meaning defined above

History and Etymology for radiate

Verb

Latin radiatus, past participle of radiare, from radius ray

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Statistics for radiate

Last Updated

20 Oct 2018

Look-up Popularity

Time Traveler for radiate

The first known use of radiate was circa 1619

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More Definitions for radiate

radiate

verb

English Language Learners Definition of radiate

: to go out in a direct line from a central point or area

: to move in a specified direction from a source

: to send out (something, such as heat or energy) in rays

radiate

verb
ra·di·ate | \ˈrā-dē-ˌāt \
radiated; radiating

Kids Definition of radiate

1 : to send out rays : shine The sun was radiating in the sky.

2 : to come forth in the form of rays Light radiates from shining bodies.

3 : to go out in a direct line from a center Spokes radiate from the center of the wheel.

4 : to spread around from or as if from a center Word radiated that Royce McNabb had sent Ina-Rae Gage a valentine.— Richard Peck, A Year Down Yonder

5 : to show very clearly She radiates confidence.

radiate

verb
ra·di·ate | \ˈrād-ē-ˌāt \
radiated; radiating

Medical Definition of radiate 

(Entry 1 of 2)

intransitive verb

: to issue in or as if in rays : spread from a central point back pain radiating to both upper legs— Tony Miksanek

radiate

adjective
ra·di·ate | \ˈrād-ē-ət, -ē-ˌāt \

Medical Definition of radiate (Entry 2 of 2)

1 : having rays or radial parts

2 : characterized by radial symmetry : radially symmetrical

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Comments on radiate

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