noun Date: 1926 something that is extremely large; especially a star of very great intrinsic luminosity and enormous size • supergiant adjective

New Collegiate Dictionary. 2001.

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  • supergiant — [so͞o′pər jī΄ənt] n. an immense and extremely luminous star, as Betelgeuse or Antares, that has a diameter at least 100 times that of the sun and that is 100 to more than 10,000 times as bright …   English World dictionary

  • Supergiant — Supergiants are among the most massive stars. In the Hertzsprung Russell diagram they occupy the top region of the diagram. In the Yerkes spectral classification supergiants are class Ia (most luminous supergiants) or Ib (less luminous… …   Wikipedia

  • supergiant — /sooh peuhr juy euhnt/, n. 1. Astron. See supergiant star. 2. an extremely large or powerful person, company, thing, etc. adj. 3. extremely large; immense. [1925 30; SUPER + GIANT] * * * …   Universalium

  • supergiant — noun A very large star having a mass between 10 and 70 solar masses …   Wiktionary

  • supergiant — adj. especially bright star whose diameter is 100 times larger than that of the sun (Astronomy) …   English contemporary dictionary

  • supergiant — noun Astronomy a star that is greater and more luminous than a giant …   English new terms dictionary

  • supergiant — su·per·giant …   English syllables

  • supergiant — su•per•gi•ant [[t]ˈsu pərˌdʒaɪ ənt[/t]] n. astron. a very bright, very large star, hundreds of times larger than the sun • Etymology: 1925–30 …   From formal English to slang

  • supergiant — /ˈsupədʒaɪənt/ (say soohpuhjuyuhnt) noun any of a number of very large, highly luminous, low density stars, as Betelgeuse or Antares …   Australian-English dictionary

  • Supergiant —    The largest type of Red Stars. These stars have diameters over 400 times larger than that of our Sun, but they are not very dense, maybe only 40 times more than our Sun …   The writer's dictionary of science fiction, fantasy, horror and mythology

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