- T-cross
- Tables of Houses
- Taurus
- Telepathy
- Telescope
- Temporal Houses
- Terminal Houses, The
- Terms of the planets
- Testimony
- Tetrabiblios
- Tetractys - ten symbolic dots
- Tetragon, n. Tetragonous,
- Thema Coeli
- Throne
- Time
- Transit
- Transit of a planet across the Sun
- Transitor
- Translation of Light
- Transmutation
- Trigon
- Trigonocrators
- Trimorion
- Trine
- Trinities
- Triplicities
- Tropical Signs
- Tropical Year
- True Solar Day
- Trutine
- Twilight
ASTROLABE ENCYCLOPEDIA
