nebula

nouns

a medicinal liquid preparation intended for use in an atomizer
is a type of (narrower)
a substance prepared according to a formula
"the physician prescribed a commercial preparation of the medicine"
cloudiness of the urine
is derived from
is a type of (narrower)
(medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease
an immense cloud of gas (mainly hydrogen) and dust in interstellar space
is derived from
is derived from
is a type of (narrower)
any collection of particles (e.g., smoke or dust) or gases that is visible
(pathology) a faint cloudy spot on the cornea
is derived from
domain category
the branch of medical science that studies the causes and nature and effects of diseases
is a type of (narrower)
a small contrasting part of something
"a bald spot"; "a leopard's spots"; "a patch of clouds"; "patches of thin ice"; "a fleck of red"