It's a book intended for use in a school, college or university.
This is not an English word. Perhaps you mean peruse, which means to read something in a thoughtful way. I will peruse the textbook and learn something new.
a. thesaurus b. French textbook c. grammar textbook d. Oxford English textbook = Oxford English textbook
In the sentence "Who asked for the textbook?," the preposition is the word FOR. Who is not a preposition; it is a pronoun.
Read your textbook.
"Textbook" is one word. With only two of the letter 'o'.
"The textbook in the library was full of knowledge."
My classroom has 5 textbooks.
You can't copy anything word-for-word. If you make up entirely new sentences it's ok. If you copy it word-for-word you can only use it for yourself. You can't publish it.
glossary
your teachers should give you one. Its different for everybody
Jensen doodled in the white space between the lines in his textbook
"Class, turn to page <number here> in your textbook."