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potassium-42
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English
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Noun
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potassium
-
42
(
uncountable
)
(
physics
)
An artificially produced
radioactive
isotope
of
potassium
,
42
19
K, having a
half-life
of 12.4 hours; used in medicine as a
tracer
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en:Isotopes
en:Potassium
en:Radioactivity
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