nebula

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a medicinal liquid preparation intended for use in an atomizer
• Hypernyms:
formulation, preparation
2. cloudiness of the urine
• Derivationally related forms:
nebular
• Hypernyms:
symptom
3. an immense cloud of gas (mainly hydrogen) and dust in interstellar space
• Derivationally related forms:
nebular, nebulous
• Hypernyms:
cloud
• Hyponyms:
diffuse nebula, gaseous nebula, planetary nebula
4. (pathology) a faint cloudy spot on the cornea
• Derivationally related forms:
nebular
• Topics:
pathology
• Hypernyms:
spot, speckle, dapple, patch, fleck, maculation