Dictionary

syzygy

noun syz·y·gy \ˈsi-zə-jē\
plural syz·y·gies

Definition of SYZYGY

:  the nearly straight-line configuration of three celestial bodies (as the sun, moon, and earth during a solar or lunar eclipse) in a gravitational system

Origin of SYZYGY

Late Latin syzygia conjunction, from Greek, from syzygos yoked together, from syn- + zygon yoke — more at yoke
First Known Use: circa 1847

Other Astronomy Terms

gibbous, nadir, nebulous, penumbra, retrograde, sidereal, wane, wax, zenith

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