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ratio decidendi

Pronunciation: /ˌdɛsɪˈdɛndiː/

Definition of ratio decidendi

noun (plural rationes decidendi /ˌratɪˈəʊniːz/)

Law
  • the rule of law on which a judicial decision is based.

Origin:

Latin, literally 'reason for deciding'

ratio decidendi in other Oxford dictionaries

Definition of ratio decidendi in the US English dictionary

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