mononucleosisWiktionary 原文构词拆分mono-前缀one, single, only+nucleus词根/词干+-osis后缀(pathology) functional disease or condition such as hepatosis · process, action such as phagocytosis词源说明From mono- + nucleus + -osis.释义（英文）名词 Noun(pathology) A viral infection marked by extreme fatigue, high fever, and swollen lymph nodes.词族派生词（1）mononucleosislike