Definitions:

1. a return to a normal phenotype, usually resulting from a second mutation noun
   • The only explanation for the natural coat color was a reversion.

Synonyms:

• atavism
• backsliding
• regress
• regression
• retrogression
• retroversion
• reversal
• reverse
• throwback
• turnabout
• turnaround

NearBy Words:

• reversionary
• reversioner
• reversionist