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Retrogenerative
- Begetting young by retrocopulation.
Retrogradation
- The act of retrograding, or moving backward.
Retrogradingly
- By retrograding; so as to retrograde.
Retrogressively
- In a retrogressive manner.
Retromingency
- The quality or state of being retromingent.
Retromingent
- Organized so as to discharge the urine backward. -- n. (Zool.) An animal that discharges its urine backward.
Retrovaccination
- The inoculation of a cow with human vaccine virus.