WordReference Random House Unabridged Dictionary of American English © 2026
ge•gen•schein
(gā′gən shīn′),USA pronunciation n. [Astron.]
- Astronomya faint, elliptical patch of light in the night sky that appears opposite the sun, being a reflection of sunlight by meteoric material in space. Also called counterglow. Cf. zodiacal light.
- German Gegenschein counterglow
- 1875–80
'gegenschein' also found in these entries (note: many are not synonyms or translations):