Meaning of bolometric magnitude

bo'lomet'ric mag'nitude

Pronunciation: [key]
— Astron. Astron.
  1. the magnitude of a star derived either from the total energy that it radiates at all wavelengths or from the total energy of those of its wavelengths that are received on earth.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.