luminosity class
noun Astronomy.
a classification of stars of a given spectral type according to their luminosity, breaking them down into dwarfs, giants, and supergiants.
Words nearby luminosity class
luminescence,
luminiferous,
luminism,
luminophore,
luminosity,
luminosity class,
luminous,
luminous efficacy,
luminous efficiency,
luminous emittance,
luminous energy