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

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The first known use of spallation was in 1947

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Cite this Entry

“Spallation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spallation. Accessed 18 Jan. 2021.

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