IRRADIATION Synonyms: 44 Similar and Opposite Words

irradiation

noun

Definition of irradiation

as in illumination

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of irradiation In their experiments, the team found silicon in the kernels before irradiation. — Muskan Bhatia, Interesting Engineering, 16 Oct. 2026 How Ocean Thermal Energy Conversion Works Earth’s oceans absorb much of the sun’s daily irradiation and excess heat trapped in Earth’s atmosphere. — IEEE Spectrum, 10 Sep. 2026 See All Example Sentences for irradiation

Recent Examples of Synonyms for irradiation

Noun

For communities across Sacramento and California, Diwali — the ancient Hindu Festival of Lights — comes with its joyful tradition of illumination to symbolize good over evil, but this year’s celebration is marked with a shadow of disappointment.

— Camila Pedrosa, Sacbee.com, 4 Nov. 2026
Previous versions of this luminous logo relied on the screen backlight to provide the illumination.

— Joe Osborne, PC Magazine, 29 Oct. 2026

Definition of illumination

Noun

The ringed planet may be difficult to spot because of the moon’s luminescence.

— Dharma Niles, CNN Money, 25 Oct. 2026
Studying the effects of this fluctuating luminescence on interpreting gesture may tell us whether speech has significant benefits around an evening campfire.

— Mike McRae September 02, New Atlas, 3 Sep. 2026

Definition of luminescence

Noun

The good times, the less than good times, the confusing times are all here, burnished with a warm glow of friendship.

— Maira Garcia, Los Angeles Times, 30 Oct. 2026
On cloudless days, sunlight bathes the upper levels, giving the wood flourishes a warm glow.

— Katharine Sohn, Architectural Digest, 30 Oct. 2026

Definition of glow

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irradiating

irradiation

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“Irradiation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/irradiation. Accessed 5 Nov. 2026.

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Synonyms of irradiation

noun

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