Definitions

1. noun

the process by which high-energy particles or radiation remove or damage atoms or molecules from a target material, often resulting in the ejection of particles or the creation of a crater.

“The scientists studied the effects of spallation on the surface of the asteroid.”

2. noun

the phenomenon of particles or radiation causing damage or erosion to a surface or material, particularly in high-energy environments.

“The researchers observed spallation in the lunar regolith as a result of meteoroid impacts.”