cobalt 60

cobalt 60

n.

a radioisotope of cobalt having a mass number of 60 and a half-life of 5.2 years, used chiefly in radiotherapy.

[1945–50]

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Thesaurus

Noun

1.

cobalt 60 - a radioactive isotope of cobalt with mass number 60; a source of exceptionally intense gamma rays; used in radiation therapy atomic number 27, cobalt, Co - a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition

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