Togaviridae
noun plural
To·ga·vi·ri·dae
| \ ˌto-gə-ˈvir-ə-ˌdē
\
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Medical Definition of Togaviridae
: a family of single-stranded RNA viruses that have a spherical virion about 70 nanometers in diameter and that include the causative agents of German measles and the three forms of equine encephalitis — see alphavirus, rubivirus