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precondition

noun [C]
 
 
/ˌpriː.kənˈdɪʃ.ən/

Definition

something that must happen or be true before it is possible for something else to happen: A halt to the fighting is a precondition for negotiations.Important and essential thingsInformation and messages
(Definition of precondition noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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