gravitational radiation


Definition of gravitational radiation

: a series of gravitational waves also : the generation of such waves (as by a celestial object)

Examples of gravitational radiation in a Sentence

Recent Examples on the Web

Collisions between black holes are powerful sources of gravitational radiation. Frank Wilczek, WSJ, "Black Holes May Have ‘Hair’ That We Can See," 3 Jan. 2019 Astronomers can use changes in pulsars’ time-keeping to point to gravitational radiation, which sweeps through an array of these dead stars in a telltale way. National Geographic, "Gravitational Waves Won the Physics Nobel Prize—Here's Why," 3 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gravitational radiation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of gravitational radiation

1938, in the meaning defined above

Keep scrolling for more

Learn More about gravitational radiation

Share gravitational radiation

Resources for gravitational radiation

Statistics for gravitational radiation

Look-up Popularity

Time Traveler for gravitational radiation

The first known use of gravitational radiation was in 1938

See more words from the same year

Comments on gravitational radiation

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


to boil down or concentrate

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!

Dictionary Devil

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


Love words? Need even more definitions?

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