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O star

[oh stahr] /ˈoʊ ˌstɑr/
a very hot, massive, blue star of spectral type O, having a surface temperature between 30,000 and 50,000 K and an absorption spectrum with few lines, though the Balmer series of hydrogen lines is present and lines of ionized helium are detectable.
Compare spectral type. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for O star
Historical Examples
  • O star of light and O sun in harvest; O amber hair, O my share of the world!

  • Chorus I. “O star, emerging great, through thy light, thou thyself formest thy own limbs.”

    The Pharaoh and the Priest Alexander Glovatski
  • Mistress came running to meet me, and put both arms around my neck, and said: 'O star, you have saved our darling's life!'

    Miss Elliot's Girls Mrs Mary Spring Corning
  • It is a passage conceived in the same spirit as the great chaunt "O star of France!"

    Robert Browning Edward Dowden

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