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Definition of rule book noun from the Oxford Advanced Learner's Dictionary

rule book

noun
 
/ˈruːl bʊk/
 
/ˈruːl bʊk/
(usually the rule book)
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  1. the set of rules that must be followed in a particular job, organization or gameTopics Permission and obligationb2
See rule book in the Oxford Advanced American Dictionary
trait
noun
 
 
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