| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Beta particles | Aerospace | See betatron, note. (references) | |
| Beta particles (b) | Military | High-energy electrons emitted from the nucleus of an atom during radioactive decay. They normally can be stopped by the skin or a very thin sheet of metal. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
