OncovinListen to pronunciation(ON-koh-vin)A drug that contains the active ingredient vincristine sulfate, which is used to treat many types of cancer. Oncovin brand has been taken off the market and is no longer available.More InformationDefinition of: vincristine sulfateSearch NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#