cobalt (redirected from cobalt 60)

cobalt /co·balt/ (Co) (ko´bawlt) a chemical element, at. no. 27. Inhalation of the dust can cause pneumoconiosis and exposure to the powder can cause dermatitis.

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cobalt 60  a radioisotope of cobalt used in radiation therapy.

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co·balt (kbôlt)

n. Symbol Co

A metallic element, used chiefly for magnetic and high-temperature alloys and in the form of its salts for blue glass and ceramic pigments. Atomic number 27.

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cobalt

a chemical element, atomic number 27, atomic weight 58.933, symbol Co. A component of vitamin B₁₂. See Table 6.

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cobalt-57

a radioisotope of cobalt having a half-life of 270 days; used as a label for cyanocobalamin. Symbol ⁵⁷Co.

cobalt-60

a radioisotope of cobalt having a half-life of 5.27 years and a principal gamma ray energy of 1.33 MeV; used as a radiation therapy source. Symbol ⁶⁰Co.

cobalt nutritional deficiency

causes anorexia and poor weight gain. Identification of the disease is based on chemical analysis of pasture and soil and biochemical analysis of animal tissues and fluids. Called also enzootic marasmus, Grand Traverse disease and other regional names.

cobalt poisoning

accidental overdosing with cobalt causes listlessness, weight loss and incoordination.