Main Entry: cy·to·meg·a·lo·vi·rus

Pronunciation: \ˌsīt-ə-ˌmeg-ə-lō-ˈvī-rəs\

Function: noun

: a herpesvirus (species Human herpesvirus 5 of the genus Cytomegalovirus) that causes cellular enlargement and formation of eosinophilic inclusion bodies especially in the nucleus and that acts as an opportunistic infectious agent in immunosuppressed conditions (as AIDS)