curie
noun
cu·rie
ˈkyu̇r-(ˌ)ē
ˈkyər-;
kyu̇-ˈrē
plural curies
1
: a unit quantity of any radioactive nuclide in which 3.7 × 1010 disintegrations occur per second
2
: a unit of radioactivity equal to 3.7 × 1010 disintegrations per second compare becquerel
—abbreviation c, Ci
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Merriam-Webster unabridged
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