x-radiation

noun, often capitalized
x-ra·​di·​a·​tion | \ ˌeks-ˌrā-dē-ˈā-shən How to pronounce x-radiation (audio) \

Definition of x-radiation

1 : exposure to X-rays
2 : radiation composed of X-rays

First Known Use of x-radiation

1896, in the meaning defined at sense 1

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The first known use of x-radiation was in 1896

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Cite this Entry

“X-radiation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/x-radiation. Accessed 22 Jan. 2021.

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More Definitions for x-radiation

x-radiation

noun, often capitalized X
x-ra·​di·​a·​tion

Medical Definition of x-radiation

1 : exposure to X-rays
2 : radiation composed of X-rays

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