retrovaccination
retrovaccination · retrovaccinations
The inoculation of a cow with human vaccine virusThe inoculation of a cow with human vaccine virus.
Meaning
1 senses(archaic, countable, uncountable)The inoculation of a cow with human vaccine virus.
Origin
From retro- + vaccination.From retro- + vaccination.
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Forms
plural: retrovaccinations| Singular | retrovaccination |
|---|---|
| Plural | retrovaccinations |
regular
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable