spallation


spallation
1. SYN: fragmentation. 2. Nuclear reaction in which nuclei, on being bombarded by high energy particles, liberate a number of protons and alpha particles. [M.E. spalle, fragment]

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spal·la·tion (spaw-laґshən) splintering; the process of breaking into small bits; see spallation products, under product.

Medical dictionary. 2011.