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nebulae |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Nebula \Neb"u*la\, n.; pl {Nebul[ae]}. [L., mist, cloud; akin to Gr ?, ?, cloud, mist, G. nebel mist, OHG. nebul, D. nevel, Skr. nabhas cloud, mist. Cf {Nebule}.] 1. (Astron.) A faint, cloudlike, self-luminous mass of matter situated beyond the solar system among the stars. True nebul[ae] are gaseous; but very distant star clusters often appear like them in the telescope.
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