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WordReference Random House Unabridged Dictionary of American English © 2024E′ta Cari′nae, - Astronomya star and its surrounding nebula in the constellation Carina: the star was brighter than every star except Sirius in the 1840s and now is of seventh magnitude;
the nebula is the brightest infrared object in the nighttime sky.
- Neo-Latin: Eta (seventh) of Carina
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