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

• trilingual
• Trilisa
• Trilisa odoratissima
• trill
• trilled
• Trilliaceae
• Trilling
• trillion
• trillion floating point operations per second
• trillionth
• trillium
• Trillium erectum
• trillium family
• Trillium recurvatum
• Trillium sessile
• trilobate
• trilobated
• trilobed
• trilobite
• trilogy
• trim
• trim back
• trim down
• trimaran
• trimer