REVERSION

Definition

1. noun (law) an interest in an estate that reverts to the grantor (or his heirs) at the end of some period (e.g., the death of the grantee).
2. noun (genetics) a return to a normal phenotype (usually resulting from a second mutation).
3. noun a reappearance of an earlier characteristic. — synonyms: atavism, throwback
4. noun turning in the opposite direction. — synonyms: reverse, reversal, turnabout, turnaround
5. noun returning to a former state. — synonyms: regression, regress, retrogression, retroversion
6. noun a failure to maintain a higher state. — synonyms: backsliding, lapse, lapsing, relapse, relapsing, reverting