Medical Dictionary

retrovirus

noun ret·ro·vi·rus \ˈre-trō-ˌvī-rəs\

Medical Definition of RETROVIRUS

:  any of the family Retroviridae of single-stranded RNA viruses—called also RNA tumor virus
ret·ro·vi·ral \-rəl\ adjective
ret·ro·vi·ral·ly \-ē\ adverb

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