mononucleosis
/ˌmɑnoʊˌnukliˈoʊsɪs/
noun
- An infectious disease caused by the Epstein-Barr virus, characterized by fever, sore throat, swollen lymph nodes, and fatigue; often called 'mono' or 'the kissing disease'.
- The doctor diagnosed him with mononucleosis after a blood test.
- Mononucleosis is common among teenagers and young adults.
- She missed two weeks of school because she had mononucleosis.