spallation
英[spɔ:\'leɪʃən]
美[spɔ\'leɪʃən]
基本释义
- n.
- 分裂，蜕变; 散裂
英英释义
Noun
1. (physics) a nuclear reaction in which a bombarded nucleus breaks up into many particles;
"some astronomers believe that the solar system was formed by spallation when the sun was a very young star"