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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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More from Merriam-Webster on spallation

Britannica.com: Encyclopedia article about spallation

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