a star of relatively low luminosity and size, spec. a main sequence star; cf. sense A. 2c.
| 单词 | θ785 |
| 释义 | the world > the universe > star > kind of star > small star > [noun] > dwarf (25) dwarf star1911 a star of relatively low luminosity and size, spec. a main sequence star; cf. sense A. 2c. dwarf1912 Astronomy. A star of relatively low luminosity and size, spec. a main sequence star, such as the sun; = dwarf star n. at compounds 3. Also: a… brown dwarf1975 A celestial object intermediate in mass between a giant planet and a star, too small to sustain the fusion of hydrogen nuclei and shining (if at… Subcategories:— red (3) — Altair (1) — Fomalhaut (2) — Regulus (2) — Sirius (5) — Spica (2) — Vega (2) — neutron star (4) — hypothetical, orbiting the sun (1) |
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