workbook

UK: /ˈwɜː^rkbʊk/ US: /ˈwɝkˌbʊk/ ,(wûrk′bŏŏk′)

WordReference Random House Learner's Dictionary of American English © 2025

work•book /ˈwɜrkˌbʊk/   n. [countable]

1. a book for students containing questions, exercises, and problems, esp. one in which the student writes.

WordReference Random House Unabridged Dictionary of American English © 2025

work•book  (wûrk′bŏŏk′), n. 

1. a manual of operating instructions.
2. a book designed to guide the work of a student by inclusion of questions, exercises, etc.
3. a book in which a record is kept of work completed or planned.

• work + book 1905–10

Collins Concise English Dictionary © HarperCollins Publishers::

workbook / ˈwɜːkˌbʊk/ noun

1. an exercise book or textbook used for study, esp a textbook with spaces for answers
2. a book of instructions for some process
3. a book in which is recorded all work done or planned