The Glossary type setting enables you to designate a glossary as Main or Secondary. A Main glossary is a glossary that will include terms from other glossaries. A Secondary glossary is a glossary that stands alone; it does not include terms from any other glossaries.
If you want students to be able to add entries to a Glossary, you must make it a Secondary glossary. Only teachers can add terms to a Main glossary.
You can export terms from a Secondary glossary to a Main glossary one at a time. So, you can create a Secondary glossary to which students will add terms. Then, you and/or the students can export the best terms to the Main glossary. Imagine a course with one Main glossary and a Secondary ...
