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Nebula
02
(pathology) a cloudy area in the cornea of the eye
03
cloudiness of the urine
04
a medicinal liquid preparation intended for use in an atomizer
Example
In the vastness of space, a nebula spun out gaseous matter.
A corneal nebula appears as a localized, opaque patch in the normally transparent cornea tissue.
If left untreated, a corneal nebula can increase in size and lead to more vision impairment or even blindness.