English edit

Etymology edit

retro- +‎ vaccination

Noun edit

retrovaccination (countable and uncountable, plural retrovaccinations)

  1. (medicine) The inoculation of a cow with human vaccine virus.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for retrovaccination”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)