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Showing results for irradiation. Search instead for postirradiation.
Definitions

irradiation

[ih-rey-dee-ey-shuhn] / ɪˌreɪ diˈeɪ ʃən /
NOUN
edification
Synonyms
STRONG
betterment elevation elucidation enhancement enlightenment guidance illumination information instruction knowledge learning nurture schooling teaching tuition uplifting
Antonyms
STRONG
ignorance
WEAK
destruction worsening
NOUN
light
Synonyms
STRONGEST
bulb candle daylight flash glare glow lamp lantern radiation ray star sun sunshine window
STRONG
aurora beacon blaze brightness brilliance brilliancy coruscation dawn daybreak daytime effulgence emanation flare gleam glimmer glint glitter illumination incandescence lambency lighthouse luminosity luster morn morning phosphorescence radiance refulgence scintillation sheen shine sparkle splendor sunbeam sunrise taper torch
WEAK
fulgor
Antonyms
STRONG
darkness dimness dullness eventide sundown sunset
WEAK
dark night obscurity
NOUN
ray
Synonyms
STRONGEST
glimmer light radiation
STRONG
bar blaze blink emanation flash flicker gleam glint glitter hint incandescence moonbeam patch pencil radiance scintilla shaft shine spark sparkle streak stream sunbeam trace wave
Antonyms
STRONG
dullness

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 researchers also suggest that similar high-energy irradiation processes may explain how diamonds form naturally in meteorites or uranium-rich rocks.

From Science Daily • Oct. 29, 2025

"Simple, visible light irradiation holds the potential to transform the chemical recycling of plastics, using the additives already found in many commercial products," say the paper's authors, Sewon Oh, Hanning Jiang and Erin Stache.

From Science Daily • Nov. 25, 2024

"But, in the near term, we have shown that irradiation can be used as a high-precision measurement technique."

From Science Daily • May 17, 2024

Interestingly, the researchers found that strong red-light irradiation at 605-660 nm triggered a reddening reaction in E. gracilis when cultured in bonito stock.

From Science Daily • Apr. 15, 2024

In fact, neutron irradiation of live tumors was more Ernest’s enthusiasm than John’s.

From "Big Science" by Michael Hiltzik