— nebular , adj.
/neb"yeuh leuh/ , n. , pl. nebulae /-lee', -luy'/ , nebulas .
1. Astron.
a. Also called diffuse nebula . a cloud of interstellar gas and dust. Cf. dark nebula, emission nebula, reflection nebula .
b. (formerly) any celestial object that appears nebulous, hazy, or fuzzy, and extended in a telescope view.
2. Pathol.
a. a faint opacity in the cornea.
b. cloudiness in the urine.
3. any liquid medication prepared for use as a spray.
[ 1655-65; nephéle cloud, G Nebel fog, haze ]