diriment

diriment

(ˈdɪrɪmənt)
adj
1. (Ecclesiastical Terms) (of an impediment to marriage in canon law) totally invalidating
2. (Ecclesiastical Terms) rare nullifying
[C19: from Latin dirimēns separating, from Latin dirimere to part, from dis-1 + emere to obtain]
References in periodicals archive ?
Currently, the differential diagnosis between leiomyoma and leiomyosarcoma is only histopathological after nephrectomy because the radiological aspect is not diriment in the diagnosis.
Scalise & Daniel Nugent, Patenting Living Matter in the European Community: Diriment of the Draft Directive, 16 FORDHAM INT'L L.