Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
superhighway
superhuman
superimpose
superincumbent
superinduce
superinfection
superinsulation
superintend
superintendent
superior
superior conjunction
superior court
Superior, Lake
superior planet
superiority complex
superjacent
superjet
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

supermassive black hole

su·per·mas·sive black hole [ spər màssiv blak hṓl ]


noun 
Definition:
 
extremely large black hole: an extremely large black hole with a mass ranging from a few million to more than several billion solar masses that is believed to be at the center of many large galaxies

Advertisement

© 2009 Microsoft