#1 reversion n. (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). wn
#2 reversion n. (genetics) a return to a normal phenotype (usually resulting from a second mutation). wn
#3 reversion n. [atavism, throwback] a reappearance of an earlier characteristic. wn
#4 reversion n. [reverse, reversal, turnabout, turnaround] turning in the opposite direction. wn
#5 reversion n. [regression, regress, retrogression, retroversion] returning to a former state. wn
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