|1.||any impairment of normal physiological function affecting all or part of an organism, esp a specific pathological change caused by infection, stress, etc, producing characteristic symptoms; illness or sickness in general|
|2.||a corresponding condition in plants|
|3.||any situation or condition likened to this: the disease of materialism|
|[C14: from Old French desaise; see |
disease dis·ease (dĭ-zēz')
A pathological condition of a body part, an organ, or a system resulting from various causes, such as infection, genetic defect, or environmental stress, and characterized by an identifiable group of signs or symptoms.