nebula: Meaning and Definition of
neb•u•la
Pronunciation: (neb'yu-lu), [key] — pl. -lae -las.
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- Also calleddiffuse nebula.a cloud of interstellar gas and dust. Cf.dark nebula, emission nebula, reflection nebula.
- (formerly) any celestial object that appears nebulous, hazy, or fuzzy, and extended in a telescope view.
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- a faint opacity in the cornea.
- cloudiness in the urine.
- any liquid medication prepared for use as a spray.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.