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| Colorful English! | ||||
| Word or Phrase: | Part of Speech: | Idiom or General?: | Usage? | Restricted? |
| brown dwarf | noun | general astronomy |
not common except in astronomy | No |
| Meaning: | ||||
| a celestial object smaller than a normal star and with insufficient mass for nuclear fusion, but hot enough to radiate infrared energy | ||||
| Example(s): | ||||
| To be honest, I do not know how common or rare brown dwarfs are. | ||||
| Note: See white dwarf . | ||||