Definition of oncornavirus in English:

oncornavirus

noun

Virology
  • Any retrovirus that causes malignant disease (leukaemia, lymphoma, carcinoma, etc.).

Origin

1970s. From onco- + RNA (here treated as though an acronym rather than an initialism) + virus, after picornavirus.

Pronunciation

oncornavirus

/ɒŋˈkɔːnəˌvʌɪrəs/