• synonyms


[sahy-toh-meg-uh-loh-vahy-ruh s]
noun, plural cy·to·meg·a·lo·vi·rus·es.
  1. 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
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Origin of cytomegalovirus

1960–65; cytomegal(ia) (see cytomegalic) + -o- + virus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for cytomegalovirus


  1. a virus of the herpes virus family that may cause serious disease in patients whose immune systems are compromisedAbbreviation: CMV
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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

cytomegalovirus in Medicine


  1. 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
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

cytomegalovirus in Science


  1. 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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.