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BNC: 17568 COCA: 20153

irradiation

noun

ir·​ra·​di·​a·​tion i-ˌrā-dē-ˈā-shən How to pronounce irradiation (audio)
1
: exposure to radiation (such as X-rays or alpha particles)
2
: the application of radiation (such as X-rays or gamma rays) for therapeutic purposes or for sterilization (as of food)
also : partial or complete sterilization by irradiation

Example Sentences

Recent Examples on the Web Another option may be ultraviolet germicidal irradiation. William A. Haseltine, Forbes, 21 June 2022 Hackmanite changes its color from white to purple under UV irradiation and eventually reverts back to white if no UV is present. David Bressan, Forbes, 21 June 2022 Greece's average global irradiation level crosses 1,500 kWh/m2. Rhett Power, Forbes, 5 May 2022 The agency said Leukine was found to increase survival when administered up to 48 hours after total body irradiation at doses expected to be potentially life threatening within the first few weeks after exposure. Parija Kavilanz, CNN, 29 Mar. 2022 Broadly defined, in the context of cannabis and food production, irradiation is the use of ionizing radiation to eliminate contaminants like bacteria and mold. Chris Roberts, Forbes, 30 Apr. 2022 First, physicians must destroy the original immune system with chemotherapy and sometimes irradiation. NBC News, 16 Feb. 2022 Options for sterilizing cannabis include irradiation or ozone gas, as used in the food industry. Robert Mccoppin, chicagotribune.com, 1 Jan. 2022 At issue is the commission’s medical event reporting requirements, which require that nuclear medicine providers disclose unintentional irradiation of patient skin or tissue above a radiation dose threshold of 0.5 Sieverts. Daniel Fass, STAT, 30 Dec. 2021 See More

Word History

First Known Use

1901, in the meaning defined at sense 1

Time Traveler
The first known use of irradiation was in 1901

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