Definition of retrovaccination in English:

retrovaccination

noun

Medicine
historical
  • The process of inoculating cattle with lymph obtained from human subjects vaccinated with cowpox or vaccinia virus.

Origin

Mid 19th century. From retro- + vaccination. Compare retrovaccinate.

Pronunciation

retrovaccination

/ˌrɛtrəʊˌvaksɪˈneɪʃn/