three stars so near (really or visually) as not to be separately visible without a telescope.
| 单词 | θ845 |
| 释义 | the world > the universe > star > kind of star > by position > [noun] > treble star (3) treble star1782 three stars so near (really or visually) as not to be separately visible without a telescope. triple star1831 a treble star (see treble, adj. adv.compounds 1d). triple1890 In technical and elliptical uses. A triple star. |
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