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

Keep scrolling for more

Learn More about x-radiation

Share x-radiation

Dictionary Entries near x-radiation

x-protein

XQ

X-radiate

x-radiation

X-rated

Xray

x-ray

Statistics for x-radiation

Look-up Popularity

Time Traveler for x-radiation

The first known use of x-radiation was in 1896

See more words from the same year

Keep scrolling for more

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

More from Merriam-Webster on x-radiation

Rhyming Dictionary: Words that rhyme with x-radiation

Comments on x-radiation

What made you want to look up x-radiation? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

grandiloquent, ostentatious, or bombastic

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!