[ sahy-toh-meg-uh-loh-vahy-ruh s ]
/ ˌsaɪ toʊˌmɛg ə loʊˈvaɪ rəs /

noun, plural cy·to·meg·a·lo·vi·rus·es.

a common virus of the herpesvirus family, usually harmless or causing mild colds but capable of producing severe systemic damage in infected newborns and immunosuppressed persons. Abbreviation: CMV

Origin of cytomegalovirus

1960–65; cytomegal(ia) (see cytomegalic) + -o- + virus Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for cytomegalovirus


/ (ˌsaɪtəʊˈmɛɡələʊˌvaɪrəs) /


a virus of the herpes virus family that may cause serious disease in patients whose immune systems are compromisedAbbreviation: CMV
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for cytomegalovirus


[ sī′tə-mĕg′ə-lō-vīrəs ]


Any of a group of herpes viruses that attack and enlarge epithelial cells. Such viruses also cause a disease of infants characterized by circulatory dysfunction and microcephaly.visceral disease virus
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for cytomegalovirus


[ sī′tə-mĕg′ə-lō-vīrəs ]

Any of a group of herpes viruses of the genus Cytomegalovirus that cause enlargement and abnormal structures in the cell nucleus (known as nuclear inclusions) in infected cells. Although the virus usually causes minor or no symptoms in normal adults, it is a common cause of opportunistic infections in immunosuppressed patients and can cause life-threatening congenital infections.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.