nebula
nomattesté dans les dialogues
- Canada//ˈnɛb.jə.lə//
- Canada//ˈnɛb.jʌ.lʌ//
- Australie//ˈneb.jə.lə//
- Inde//ˈnɛ(ː)b.ju.la//
A cloud in outer space consisting of gas or dust (e.g. a cloud formed after a star explodes).
nom
- 1
A cloud in outer space consisting of gas or dust (e.g. a cloud formed after a star explodes).
Approximately 5 billion years ago, our solar nebula was formed as gravitational forces pulled interstellar gas and dust into a swirling mass around out newly formed sun.
- 2
archaïqueA white spot or slight opacity of the cornea.
- 3
obsolèteA cloudy appearance in the urine.
Étymologie
Learned borrowing from Latin nebula (“little cloud, mist”). First attested in 1655. Akin to Ancient Greek νεφέλη (nephélē, “cloud”), German Nebel (“mist, nebula”), Old Norse nifl, Polish niebo (“sky, heaven”), Russian не́бо (nébo, “sky”).
Formes
- pluriel
- nebulae, nebulas, nebulæ
nebula · A cloud in outer space consisting of gas or dust (e.g. a cloud formed after a star explodes).
necessarily · Inevitably; of necessity.necessary · Required, essential, whether logically inescapable or needed…Necessary · A surname.