Disease
- Pronunciation
- /dis-EEZ/
- Category
- General
- Singular
- Disease
- Plural
- Diseases
Definition
An impairment of normal physiological function, often caused by a pathogen or other factor.
Etymology
From Middle English 'disease', derived from Old French 'desaise', meaning 'lack of ease'.
Example
Chagas disease is a serious parasitic disease that affects the heart and digestive system.