radiate

1 of 2

verb

ra·​di·​ate ˈrā-dē-ˌāt How to pronounce radiate (audio)
radiated; radiating

intransitive verb

1
: to proceed in a direct line from or toward a center
2
: to send out rays : shine brightly
3
a
: 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
2
3
: to spread abroad or around as if from a center

radiate

2 of 2

adjective

ra·​di·​ate ˈrā-dē-ət How to pronounce radiate (audio)
-ˌāt
: having rays or radial parts: such as
a
: having ray flowers
b
: characterized by radial symmetry : radially symmetrical
radiately adverb

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.
Recent Examples on the Web
Verb
Néstor Carbonell The first-time nominee (!) radiates hilarious swagger and swashbuckling charm as Shōgun's Vasco Rodrigues, a mercenary sailor who helped stranded British sailor John Blackthorne (Cosmo Jarvis) acclimate to Japanese culture. Kristen Baldwin, EW.com, 6 Aug. 2024 The sky radiated shades of orange and yellow, of purple and blue. Justice Delos Santos, The Mercury News, 2 Aug. 2024 The place was a panopticon: dorms and common spaces radiating out in spokes from a central nurse’s station, where a portrait of Freud kept a watchful eye over all the patients. Constance Grady, Vox, 20 July 2024 But to finally pull between warehouses and into the brewery parking lot, the glow of garden lights strung over the patio, energetic shadows radiating from the doorway, feels revelatory and exotic. Ben Crandell, Sun Sentinel, 16 July 2024 See all Example Sentences for radiate 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'radiate.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Verb

Latin radiatus, past participle of radiare, from radius ray

First Known Use

Verb

circa 1619, in the meaning defined at intransitive sense 1

Adjective

1668, in the meaning defined above

Time Traveler
The first known use of radiate was circa 1619

Dictionary Entries Near radiate

Cite this Entry

“Radiate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radiate. Accessed 22 Aug. 2024.

Kids Definition

radiate

verb
ra·​di·​ate
ˈrād-ē-ˌāt
radiated; radiating
1
: to proceed in a direct line from or toward a center
2
a
: to send out rays : shine
b
: to come forth in the form or as if in the form of rays
3
: to spread around from or as if from a center
Etymology

Verb

Latin radiare "to proceed from or toward a center," from radius "ray, beam, spoke" — related to radio, radius, ray entry 2

Medical Definition

radiate

1 of 2 verb
ra·​di·​ate ˈrād-ē-ˌāt How to pronounce radiate (audio)
radiated; radiating

intransitive verb

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

radiate

2 of 2 adjective
ra·​di·​ate ˈrād-ē-ət, -ē-ˌāt How to pronounce radiate (audio)
1
: having rays or radial parts
2
: characterized by radial symmetry : radially symmetrical

More from Merriam-Webster on radiate

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