1. (noun)
infectious mononucleosis, mononucleosis, mono, glandular fever, kissing disease
- an acute disease characterized by fever and swollen lymph nodes and an abnormal increase of mononuclear leucocytes or monocytes in the bloodstream; not highly contagious; some believe it can be transmitted by kissing Synonyms: kissing disease, glandular fever, mono, infectious mononucleosis, mononucleosis