- SYN: oncogenous.
* * *on·co·gen·ic -'jen-ik also on·cog·e·nous äŋ-'käj-ə-nəs adj1) relating to tumor formation2) tending to cause tumors <an \oncogenic virus> <\oncogenic tars>on·co·gen·i·cal·ly -i-k(ə-)lē advon·co·ge·nic·i·ty -jə-'nis-ət-ē n
* * *adj.describing a substance, organism, or environment that is known to be a causal factor in the production of a tumour. Some viruses are considered to be oncogenic; these include the papovavirus, the retrovirus, certain adenovirus and herpesvirus, and the Epstein-Barr virus. See also carcinogen.
* * *on·co·gen·ic (ong″ko-jenґik) giving rise to tumors (either benign or malignant) or causing tumor formation; said especially of tumor-inducing viruses. Cf. tumorigenic.
Medical dictionary. 2011.