n [toxoplasma, rubella virus, cytomegalovirus, herpes simplex virus] :  a group of pathological agents that cause similar symptoms in newborns and that include a toxoplasma (Toxoplasma gonii), cytomegalovirus, herpes simplex virus, and the virus causing German measles .
 
 
 
Similar sounding terms:  tra·chea  tro·che 
 
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