cobalt 60

noun
co·​balt 60 | \ ˈkō-ˌbȯlt-ˈsik-stē How to pronounce cobalt 60 (audio) \

Definition of cobalt 60

: a heavy radioactive isotope of cobalt of the mass number 60 produced in nuclear reactors and used as a source of gamma rays (as for radiotherapy)

First Known Use of cobalt 60

1946, in the meaning defined above

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The first known use of cobalt 60 was in 1946

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More Definitions for cobalt 60

cobalt 60

noun
\ -ˈsik-stē How to pronounce cobalt 60 (audio) \

Medical Definition of cobalt 60

: a heavy radioactive isotope of cobalt having the mass number 60 produced in nuclear reactors and used as a source of gamma rays especially in place of radium (as in the treatment of cancer and in radiography)

called also radiocobalt

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