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Definition of Soddy, Frederick in English: Soddy, Frederickproper nounˈsɒdiˈsädē (1877–1956), English physicist. He assisted William Ramsay in the discovery of helium and formulated a theory of isotopes, the word isotope being coined by him in 1913, after work on radioactive decay. Nobel Prize for Chemistry (1921).
Definition of Soddy, Frederick in US English: Soddy, Frederickproper nounˈsädē (1877–1956), English physicist. He assisted William Ramsay in the discovery of helium, formulated a theory of isotopes, and coined the word isotope in 1913 after working on radioactive decay. Nobel Prize for Chemistry (1921).
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