Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

cytomegalovirus

play
noun cy·to·meg·a·lo·vi·rus \ˌsī-tə-ˌme-gə-lō-ˈvī-rəs\

Definition of cytomegalovirus

  1. :  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 acts as an opportunistic infectious agent in immunosuppressed conditions (as AIDS)



Origin of cytomegalovirus

New Latin, from cytomegalia + -o- + virus


First Known Use: 1963


Medical Dictionary

cytomegalovirus

play
noun cy·to·meg·a·lo·vi·rus \ˌsīt-ə-ˌmeg-ə-lō-ˈvī-rəs\

Medical Definition of cytomegalovirus

  1. :  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)




Learn More about cytomegalovirus


Seen and Heard

What made you want to look up cytomegalovirus? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 6, 2016

an official order, decree, or edict

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

duvet pince-nez kittly-benders spindrift
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ