Astrology Encyclopedia

Astrology Encyclopedia: More Than 2,300 Astrology Terms, Definitions & Interpretations

Welcome to the Astrology Encyclopedia, an expansive reference library containing more than 2,400 Astrology entries. This collection explores the language, history, symbolism, techniques, and interpretive principles of Astrology for beginners, experienced students, and professional Astrologers.

Unlike our larger Astrology Guides, which teach complete subjects and methods, the Encyclopedia allows you to research individual terms as questions arise. It includes familiar concepts as well as specialized terminology drawn from natal Astrology, predictive Astrology, relationship analysis, traditional Astrology, house interpretation, planetary symbolism, historical methods, and many additional branches of Astrological study.

Use the alphabetical navigation below to browse the Encyclopedia. Each entry also connects you with its alphabetical index, neighboring terms, and major areas of our Astrology Library, creating a convenient reference system for continued study and discovery.

Browse the Astrology Encyclopedia A–Z

Select a letter to explore every published Encyclopedia term beginning with that letter.

A Reference Companion for Every Level of Astrological Study

The Encyclopedia works alongside our extensive guides covering Planetary Aspects, Sabian Symbols, House Rulers, House Cusps, planets through the zodiac signs, planets through the houses, Compatibility, forecasting, Vedic Astrology, and the fundamental principles of chart interpretation.

You may use it to quickly define an unfamiliar term, compare related concepts, investigate a historical technique, or continue moving through interconnected areas of Astrology. From common terminology to uncommon and highly specialized subjects, each entry offers another opportunity to strengthen your knowledge of the birth chart and the wider traditions of Astrology.