Meanings
plural brown dwarfs · plural rare brown dwarves
- astronomyA starlike object that contracts to about the volume of Jupiter after its formation phase; its mass may range from several times that of Jupiter, such that it fuses deuterium, up to just below the threshold of sustained hydrogen fusion.
1 more example
But none of those brown dwarfs were speeding along on a trajectory that would carry them out of the galaxy like “runaway” hypervelocity stars observed by astronomers in the last two decades. […] “This places this object right on the lower boundary of allowed stellar masses, and it is in fact possible that the mass of the object is slightly below that boundary, which would imply that the object is not a star but a brown dwarf instead.”
2024 August 21, Ashley Strickland, “An unusual object is moving so fast it could escape the Milky Way. Scientists aren’t certain what it is”, in CNN, archived from the original on 24 Sep 2024
Translations
Catalan nana marró
- nana marróstarlike object
Chinese Mandarin 褐矮星, 棕矮星
- 褐矮星 (hè'ǎixīng, hé'ǎixīng)starlike object
- 棕矮星 (zōng'ǎixīng)starlike object
Czech hnědý trpaslík
- hnědý trpaslíkstarlike object
Danish brun dværg
- brun dværgstarlike object
Dutch bruine dwerg
- bruine dwergstarlike object
Esperanto bruna nano
- bruna nanostarlike object
Finnish ruskea kääpiö
- ruskea kääpiöstarlike object
French naine brune
- naine brunestarlike object
German Brauner Zwerg
- Brauner Zwergstarlike object
Hebrew ננס חום
- ננס חוםstarlike object
Hindi भूरा बौना तारा
- भूरा बौना तारा (bhūrā baunā tārā)starlike object
Hungarian barna törpe
- barna törpestarlike object
Icelandic brúnn dvergur
- brúnn dvergurstarlike object
Irish abhac donn
- abhac donnstarlike object
Italian nana bruna
- nana brunastarlike object
Japanese 褐色矮星
- 褐色矮星 (kasshoku-waisei)starlike object
Polish brązowy karzeł
- brązowy karzełstarlike object
Portuguese anã marrom, anã castanha
- anã marromstarlike object
- anã castanhastarlike object
Russian кори́чневый ка́рлик
- кори́чневый ка́рлик (koríčnevyj kárlik)starlike object
Slovak hnedý trpaslík
- hnedý trpaslíkstarlike object
Spanish enana marrón
- enana marrónstarlike object
Swedish brun dvärg
- brun dvärgstarlike object
Cite this entry
brown dwarf. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/brown%20dwarf
“brown dwarf.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/brown%20dwarf. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “brown dwarf,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/brown%20dwarf.
Source: brown dwarf on Wiktionary, CC BY-SA 4.0.