on·co·vi·rus 
(ŏnkə-vī′rəs, ŏng-)
(ŏnkə-vī′rəs, ŏng-)n.
Any of a group of viruses that cause cancers in birds and mammals.
[Greek onkos, mass, tumor; see ONCOLOGY + VIRUS.]
- pointillist
- pointillistic
- pointing device
- point lace
- pointless
- pointlessly
- pointlessness
- point man
- point mutation
- point of honor
- point of no return
- point of order
- point of sale
- point-of-sale
- point-of-service
- point of service
- point of view
- point-shaving
- point source
- point spread
- point system
- point woman
- pointy
- pointy-head
- pointy-headed