viremia Syllabification: (vi·re·mi·a)Pronunciation: /vīˈrēmēə/ (British also viraemia)Definition of viremia noun Medicine the presence of viruses in the blood. Derivatives viremicPronunciation: /-mik/ adjective Origin: 1940s: from virus + -emiaviremia in other Oxford dictionaries Definition of viremia in the British & World English dictionary