“A Dictionary of Orthodox Terminology”
Fotios K. Litsas of the University of Illinois at Chicago maintains an online dictionary of terms associated with Orthodox Christianity.
Region: Global
“Baker’s Evangelical Dictionary of Biblical Theology”
See Baker’s Evangelical Dictionary of Biblical Theology posted by StudyLight.org. It shows how names, themes, and ideas have developed throughout the Old and New Testaments.
New Advent: “Catholic Encyclopedia”
NewAdvent.org posts an online encyclopedia of terms relevant to Catholicism.
“Glossary of Kant’s Technical Terms”
Stephen Palmquist of Hong Kong Baptist University maintains an online glossary of philosopher Immanuel Kant’s technical terms.
BibleStudyTools.com: Dictionaries
BibleStudyTools.com posts links to online Bible dictionaries.
“Dictionary of Theology”
The Christian Apologetics & Research Ministry provides a continually-updated dictionary of terms associated with theology.
“A Dictionary of Philosophical Terms and Names”
Garth Kemerling maintains a webpage on common terms and names in the world of philosophy.
“Concise Dictionary of Religion”
Written by Irving Hexham (Regent College Publishing, 1993). Hexham writes about over 2,000 topics related to the world’s religions.
“The Basic Esoteric Dictionary”
The Basic Esoteric Dictionary is a product of the Henry T. Laurency Publishing Foundation. It includes over 500 entries on the terminology of Laurency.