Noun: nebula (nebulae,nebulas) ne-byu-lu
- An immense cloud of gas (mainly hydrogen) and dust in interstellar space
"The Orion Nebula is visible to the naked eye on clear nights"
- A medicinal liquid preparation intended for use in an atomizer
"The patient used a nebula to inhale the prescribed medication"
- Cloudiness of the urine
"The urinalysis revealed a nebula, indicating possible infection"
- (pathology) a faint cloudy spot on the cornea
"The ophthalmologist noticed a small nebula on the patient's cornea"
Derived forms: nebulas, nebulae
Type of: cloud, dapple, fleck, formulation, maculation, patch, preparation, speckle, spot, symptom
Encyclopedia: Nebula