The phrase "textbook chapters" refers to the sections in a textbook that contain information about a specific topic or subject. They are like small parts of a book that focus on one particular area of study. Full definition
However, I must warn you that none of these apps align well with standard textbook chapter headings. (edutopia.org)
I ask my students to read them instead of boring textbook chapters. (theinterviewguys.com)
He was presented with 58 peer reviewed articles, nine books, and several textbook chapters on the evolutionary development of the immune system; he insisted they were «not good enough.» (religion.blogs.cnn.com)