Frequently asked questions

Why does a term have several definitions?

Different sources define the same term for different audiences. We show each one with its source so you can pick the authority that fits your context.

How do I cite a definition?

Use the Cite button under any definition for APA, MLA and Chicago formats that credit both the original source and this page.

How are related terms chosen?

Within each topic, terms whose definitions use similar vocabulary are grouped together automatically; the grouping shows the words it was based on.

A source link is dead.

Links point to where the glossary lived when it was retrieved, on the date shown. Many have since moved; the retrieval date tells you when the text was current.