| spalla |
| spallanzani | (n) Italian physiologist who disproved the theory of spontaneous generation (1729-1799), Syn. Lazzaro Spallanzani |
| spallation | (n) (physics) a nuclear reaction in which a bombarded nucleus breaks up into many particles, Example: some astronomers believe that the solar system was formed by spallation when the sun was a very young star |
