spectral class

noun

A classification of stars depending on their spectra and luminosity; usually one of O, B, A, F, G, K, M.

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Meanings

nounspectral class (plural spectral classes)

plural spectral classes

  1. astronomyA classification of stars depending on their spectra and luminosity; usually one of O, B, A, F, G, K, M.

    Maji orbits the Vamshi binary giant stars. Vamshi-A is a blue star of spectral class A4III which burns at half again the temperature of Sol. Vamshi-B is an aging red giant of class M5III, over 220 times the size of Sol.

    2008, BioWare, Mass Effect (Science Fiction), Redwood City: Electronic Arts, →ISBN, →OCLC, PC, scene: Maji planet description

Translations

Czech spektrální třída
  • spektrální třídaa classification of stars
German Spektralklasse
  • Spektralklassea classification of stars
Irish aicme speictreach
  • aicme speictreacha classification of stars
Cite this entry
APA

spectral class. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/spectral%20class

MLA

“spectral class.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/spectral%20class. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “spectral class,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/spectral%20class.

Source: spectral class on Wiktionary, CC BY-SA 4.0.