| 释义 |
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 classluminescence, luminiferous, luminism, luminophore, luminosity, luminosity class, luminous, luminous efficacy, luminous efficiency, luminous emittance, luminous energy Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |