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English definition of “textbook”

textbook

noun [C]  /ˈtekstˌbʊk/ us  

textbook noun [C] (BOOK)

a book that provides reading and exercises for a school or college course: medical textbooks

textbook

adjective [not gradable]  /ˈteks·bʊk/ us  

textbook adjective [not gradable] (TYPICAL)

usual or typical: The group's rise to stardom is a textbook case of how to make it in the recording industry.
(Definition of textbook from the Cambridge Academic Content Dictionary © Cambridge University Press)
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