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English definition of “disease”

disease

noun [C, U]     /dɪˈziːz/
B1 an illness caused by an infection or by a failure of health and not by an accident: heart disease an infectious disease Disease and illness - general words
diseased adjective affected by a disease: a diseased lungGeneral bodily disorders
(Definition of disease noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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