English

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

 

order book

 noun
noun
BrE BrE//ˈɔːdə bʊk//
 
; NAmE NAmE//ˈɔːrdər bʊk//
 
 
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a record kept by a business of the products it has agreed to supply to its customers, often used to show how well the business is doing We have a full order book for the coming year.
See the Oxford Advanced American Dictionary entry: order book