A book used in a classroom setting for educational purposes.

A textbook used specifically for a particular course or subject.

पाठ्यपुस्तक

English Usage: The college classbook for mathematics required several study hours.

Hindi Usage: गणित की कॉलेज कक्षा पुस्तक के लिए कई अध्ययन घंटे आवश्यक थे।