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decameter
decametre
decametric
decamp
decanal
decane
decani
decanoic acid
decant
decanter
decapitate
decapod
decapsulate
decarbonate
decarbonize
decarboxylase
decarboxylation
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decay constant
de·cay con·stant (plural de·cay con·stants)


noun 
Definition:
 
probability of radioactive nucleus decay: the probability that an unstable radioactive nucleus will decay in a standard unit of time
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