As a noun nebula is
(astronomy) a cloud in outer space consisting of gas or dust (eg a cloud formed after a star explodes).
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Noun
(en-noun)
(astronomy) A cloud in outer space consisting of gas or dust (e.g. a cloud formed after a star explodes).
(archaic, medicine) A white spot or slight opacity of the cornea.
(obsolete, medicine) A cloudy appearance in the urine
Derived terms
* dark nebula
* diffuse nebula
* emission nebula
* planetary nebula
* preplanetary nebula
* protoplanetary nebula
* reflection nebula
* solar nebula
* stellar nebula
Related terms
* nebulosity
* nebulous
* nebular
See also
* plerion
* nova remnant
* supernova remnant
* Herbig-Haro object
* Bok globule
* interstellar cloud
* intergalactic cloud
* high velocity cloud
