Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A herpesvirus that is the causative agent of infectious mononucleosis. It is also associated with various types of human cancers.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[After Michael A. Epstein and Y.M. Barr, 20th-century British virologists.]
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