radiate
Americanverb (used without object)
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to extend, spread, or move like rays or radii from a center.
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to emit rays, as of light or heat; irradiate.
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to issue or proceed in rays.
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(of persons) to project or glow with cheerfulness, joy, etc..
She simply radiates with good humor.
verb (used with object)
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to emit in rays; disseminate, as from a center.
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(of persons) to project (joy, goodwill, etc.).
adjective
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radiating from a center.
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having rays extending from a central point or part.
a coin showing a radiate head.
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radiating symmetrically.
verb
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Also: eradiate. to emit (heat, light, or some other form of radiation) or (of heat, light, etc) to be emitted as radiation
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(intr) (of lines, beams, etc) to spread out from a centre or be arranged in a radial pattern
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(tr) (of a person) to show (happiness, health, etc) to a great degree
adjective
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having rays; radiating
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(of a capitulum) consisting of ray florets
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(of animals or their parts) showing radial symmetry
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adorned or decorated with rays
a radiate head on a coin
Other Word Forms
- antiradiating adjective
- interradiate verb (used without object)
- multiradiate adjective
- multiradiated adjective
- nonradiating adjective
- radiability noun
- radiable adjective
- radiableness noun
- radiably adverb
- radiately adverb
- reradiate verb
- subradiate adjective
- unradiated adjective
Etymology
Origin of radiate
First recorded in 1610–20, radiate is from the Latin word radiātus (past participle of radiāre to radiate light, shine). See radiant, -ate 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The intense focus of the dozen people in the room radiates an aura of calm despite the cacophony of medical machinery beeping and pumping away.
From BBC
Hence, the inspiration for the photo: a take on the quintessential family-style portrait — the ones you kind of cringe at when you walk into someone’s home, radiating manufactured happiness.
From Los Angeles Times
The meteors appear to radiate from the constellation of Gemini, but looking slightly away from that point often provides a wider field of view.
From BBC
Meteors will appear to radiate from the constellation Ursa Minor, hence its name with a peak rate of just 10 meteors per hour.
From BBC
They materialize in the kitchen year after year, radiating earnest goodwill, and yet somehow leave a trail of small calamities in their wake.
From Salon
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
