a virus of the herpes virus family that may cause serious disease in patients whose immune systems are compromised
Abbreviation: CMV
cytomegalovirus in American English
(ˌsaɪtoʊˌmɛgəloʊˈvaɪrəs)
noun
any of a group of herpesviruses that cause enlargement of the epithelial cells, esp. of the salivary glands, associated with pneumonia and with abnormalities in newborn infants that affect the brain, liver, kidneys, and lungs