WordNet: extragalactic nebula, galaxy
(astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust; "`extragalactic nebula' is a former name for `galaxy'"
- domain: topic astronomy, uranology
- hyponym spiral galaxy, spiral nebula
- hyponym Great Attractor
- member holonym cosmos, creation, existence, macrocosm, universe, world
extragalactic nebula
- (suomi) galaksi (synonyymi)
galaxy