syzygial
/sɪˈzɪdʒiəl/
adjective
- Relating to a syzygy, which is a straight-line alignment of three celestial bodies (such as the sun, Earth, and moon).
- The syzygial alignment of the sun, moon, and Earth causes the highest tides.
- Astronomers study syzygial events to predict eclipses.
- During a syzygial configuration, the gravitational pull on Earth is especially strong.