| Noun | 1. | Thomson - United States composer who collaborated with Gertrude Stein (1896-1989)composer - someone who composes music as a profession | |
| 2. | Thomson - United States electrical engineer (born in England) who in 1892 formed a company with Thomas Edison (1853-1937) | |
| 3. | Thomson - English physicist (son of Joseph John Thomson) who co-discovered the diffraction of electrons by crystals (1892-1975) | |
| 4. | Thomson - English physicist who experimented with the conduction of electricity through gases and who discovered the electron and determined its charge and mass (1856-1940) | |