rutherford

(noun) a unit strength of a radioactive source equal to one million disintegrations per second.

(noun) British chemist who isolated nitrogen (1749-1819). Synonyms: Rutherford, Daniel Rutherford.

(noun) British physicist (born in New Zealand) who discovered the atomic nucleus and proposed a nuclear model of the atom (1871-1937). Synonyms: Rutherford, Ernest Rutherford, First Baron Rutherford, First Baron Rutherford of Nelson.