1. (astronomy) a plot of the absolute magnitude of stars versus their colour (or effective temperature); shows the main sequence of stars plus the white dwarfs and red giants
   - Hertzsprung-Russell diagram, color-magnitude diagram [US]

Encyclopedia: Color-magnitude diagram

• Ellison
• Ellsworth
• Ellul
• elm
• elm family
• elm tree
• Elmer Ambrose Sperry
• Elmer Leopold Rice
• Elmer Reizenstein
• Elmer Rice
• Elmont
• Elmore John Leonard
• Elmore Leonard
• elmwood
• elmy
• ELN
• elocute
• elocution
• elocutionary
• elocutionist
• Elodea
• Elodea canadensis
• Elodea densa
• Elohim
• elongate