Listed below are a few online education glossaries. You might find definitions in scholarly articles and books specific to your topic.
The e-book titles displayed are just a few electronic and paper dictionaries owned by GVSU. Search the catalog to find other dictionaries that might help you define your terms.
ERIC Thesaurus provides "Scope Notes", or definitions, on most of the terms.
Educator use acronyms all the time when describing programs, laws, or even concepts. Below are links to various organizations that provide lists of acronyms found in education.