nebula

Noun
  1. A medicinal liquid preparation intended for use in an atomizer (synset 114984745)
    is a type of: formulation, preparation - a substance prepared according to a formula
  2. Cloudiness of the urine (synset 114338183)
    is a type of: symptom - (medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease
  3. An immense cloud of gas (mainly hydrogen) and dust in interstellar space (synset 109389837)
    is a type of: cloud - any collection of particles (e.g., smoke or dust) or gases that is visible
    subtypes:
    • diffuse nebula, gaseous nebula - a cluster of stars within an intricate cloud of gas and dust
    • planetary nebula - a nebula that was once thought to be a star with its planets but is now thought to be a very hot star surrounded by an expanding envelope of ionized gases that emit a fluorescent glow because of intense radiation from the star
  4. (pathology) a faint cloudy spot on the cornea (synset 104689541)
    referred to in: pathology - the branch of medical science that studies the causes and nature and effects of diseases
    is a type of: dapple, fleck, maculation, patch, speckle, spot - a small contrasting part of something

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