plural textbooks
: a book about a particular subject that is used in the study of that subject especially in a school
an algebra textbook
always used before a noun
: very typical
The scandal is a textbook [=classic, perfect] case/example of corporate greed.
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“Textbook.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/textbook. Accessed 19 Jun. 2026.
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