An encyclopedia is a type of reference book. Use a reference book to:
How to Search in Online Encyclopedias
Use broad terms, as encyclopedias usually provide general overviews of topics.
Use quotation marks ( " " ) around phrases (two or more words); this tells the database to look for the words in a specific order.
Below are a few places you can find definitions and encyclopedia articles, just remember that you will have to login with your myNOVA username and password (the same ones you use to access Blackboard, student email, etc.).