Rutherford
1 of 2biographical name (1)
Ruth·er·ford
ˈrə-t͟hər-fərd 
-ṯẖə-,
-thər-,
-thə-
Ernest 1871–1937 1st Baron Rutherford of Nelson British physicist
Rutherford
2 of 2biographical name (2)
Joseph Franklin 1869–1942 American leader of Jehovah's Witnesses
Cite this Entry
“Rutherford.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rutherford. Accessed 4 Nov. 2025.
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rutherford
noun
ruth·er·ford
ˈrət͟h-ə(r)-fərd
ˈrəth-
ˈrəth-
: a unit strength of a radioactive source corresponding to one million disintegrations per second
—abbreviation rd
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