| Noun | 1. | rutherford - a unit strength of a radioactive source equal to one million disintegrations per second |
| 2. | Rutherford - British chemist who isolated nitrogen (1749-1819) Synonyms: Daniel Rutherford | |
| 3. | Rutherford - British physicist (born in New Zealand) who discovered the atomic nucleus and proposed a nuclear model of the atom (1871-1937) |