pro·vi·rus   (prō'vī'rəs, prō-vī'-)    n.   pl. pro·vi·rus·es The precursor or latent form of a virus that is capable of being integrated into the genetic material of a host cell and being replicated with it. pro'vi'ral (-rəl) adj.

Main Entry: pro·vi·rus
Pronunciation: (')prO-'vI-r&s
Function: noun
: a form of a virus that is integrated into the genetic material of ahost cell and by replicating with it can be transmitted from one cell generation to the next without causing lysis

provirus pro·vi·rus (prō'vī'rəs, prō-vī'-)
n. pl. pro·vi·rus·es
The precursor or latent form of a virus that is capable of being integrated into the genetic material of a host cell and being replicated with it.