| Nebula (nebula) |
|---|
| n. | (?) |
|---|
| Neb"u*la |
| ; pl.
Nebulæ (#). [L., mist, cloud; akin to Gr.
(?), (?), cloud, mist, G. nebel mist, OHG. nebul, D.
nevel, Skr. nabhas cloud, mist. Cf. Nebule.] |
A faint, cloudlike, self-
luminous mass of matter situated beyond the solar system among the
stars. True nebulæ are gaseous; but very distant star clusters
often appear like them in the telescope.
A white
spot or a slight opacity of the cornea.
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