Pronunciation: (neb'yu-lu), [key]
pl. -laePronunciation: (-lē", -lī"), [key] -las.

1. Astron.
a. Also called diffuse nebula. a cloud of interstellar gas and dust. Cf. dark nebula, emission nebula, reflection nebula.
b. (formerly) any celestial object that appears nebulous, hazy, or fuzzy, and extended in a telescope view.
2. Pathol.
a. a faint opacity in the cornea.
b. cloudiness in the urine.
3. any liquid medication prepared for use as a spray.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Nebuchadnezzarnebular hypothesis
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