Definitions of Rutherford:

• noun:   British physicist (born in New Zealand) who discovered the atomic nucleus and proposed a nuclear model of the atom (1871-1937)
• noun:   British chemist who isolated nitrogen (1749-1819)
• noun:   a unit strength of a radioactive source equal to one million disintegrations per second
• name:  A surname (common: 1 in 9090 families; popularity rank in the U.S.: #1095)