noun (plural syzygies)Astronomy
1A conjunction or opposition, especially of the moon with the sun: the planets were aligned in syzygy
More example sentences
- The Moon may be said to be in syzygy when it is at either of these points.
- In case you didn't know, Earth, the Moon, and the Sun are in syzygy every time they line up in space.
- Once more, I was looking at a three-dimensional picture of the solar system during the syzygy, but this was much further along in time.
Definition of syzygy in:
- The British & World English dictionary