say it: ri-VUR-zhuhn
reversion is a noun meaning "(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)". It is pronounced /ɹɪˈvɝʒən/ — ri-VUR-zhuhn. It carries 6 recorded senses.
(genetics) a return to a normal phenotype (usually resulting from a second mutation)
genetics
a reappearance of an earlier characteristic
turning in the opposite direction
returning to a former state
a failure to maintain a higher state
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for reversion come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.