pro·vi·rus noun \(ˌ)prō-ˈvī-rəs\
Origin of PROVIRUS
First Known Use: 1949
pro·vi·rus noun \(ˈ)prō-ˈvī-rəs\ (Medical Dictionary)
: a form of a virus that is integrated into the genetic material of a host cell and by replicating with it can be transmitted from one cell generation to the next without causing lysis
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