rutherford
Rutherford (noun) means an old unit of radioactivity, symbol rd, equal to one million radioactive decays per second. Example: “Early nuclear physics papers sometimes measured activity in rutherfords rather than becquerels.”
How to use rutherford
Learner’s notesIn plain EnglishAn outdated scientific unit for measuring how radioactive something is.
Obsolete — modern science uses the becquerel instead.
Word forms
- Plural
- rutherfords
Fill the gap
Can you complete this real example?
Early nuclear physics papers sometimes measured activity in _____ rather than becquerels.
Etymology
Named after the physicist Ernest Rutherford, a pioneer of nuclear physics.