megacurie


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megacurie

(ˈmɛɡəˌkjʊərɪ)
n
(Units) a unit of radioactivity equal to one million curies
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The plant was commissioned in 1978, one year before the Three Mile Island accident, which resulted in the release of approximately 2.5 megacuries of radioactive gases and 15 curies (560 GBq) of iodine-131 into the environment in the northeast U.S.