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malignancy

noun [C or U]
 
 
/məˈlɪɡ.nən.si/ specialized

Definition

a growth that is likely to get worse and lead to death, or the state of being malignant: The malignancy of these tumours makes them difficult to treat. Tests revealed a malignancy that had to be removed.Cancer
(Definition of malignancy noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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