a medicinal liquid preparation intended for use in an atomizer
"The old pharmacy still sells that rare nebula as a soothing mist for inflamed sinuses."
cloudiness of the urine
"The doctor examined my sample and noted a slight nebula in the urine, suggesting an infection that needed treatment."
an immense cloud of gas (mainly hydrogen) and dust in interstellar space
"Astronomers used new telescopes to capture stunning images of a distant nebula where stars are actively forming from the surrounding clouds of gas and dust."
(pathology) a faint cloudy spot on the cornea
"The ophthalmologist noticed a small nebula forming in her patient's right eye, which required immediate treatment to prevent further vision loss."
A cloud in outer space consisting of gas or dust (e.g. a cloud formed after a star explodes).
"The Hubble Telescope captured stunning images of a newborn nebula glowing brightly where a massive star recently exploded."