spallation

noun
spall·​ation | \ spȯ-ˈlā-shən How to pronounce spallation (audio) \

Definition of spallation

1 : a nuclear reaction in which light particles are ejected as the result of bombardment (as by high-energy protons)
2 : the process of spalling

First Known Use of spallation

1947, in the meaning defined at sense 1

Keep scrolling for more

Learn More about spallation

Time Traveler for spallation

Time Traveler

The first known use of spallation was in 1947

See more words from the same year

Statistics for spallation

Cite this Entry

“Spallation.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/spallation. Accessed 6 December 2019.

More from Merriam-Webster on spallation

Britannica.com: Encyclopedia article about spallation

Comments on spallation

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

WORD OF THE DAY

very cautious or careful

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?

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!