In Hebrew = destruction, and in Job 26: 6 and Prov. 27: 20 denotes the abode of the dead, also called sheol or Hades. In Rev. 9: 11 it is personified to mean the destroyer of all life and peace.
Citation for Abaddon
Citation styles are based on the Chicago Manual of Style, 15th Ed., and the MLA Style Manual, 2nd Ed..
MLA
"Abaddon." In A Dictionary of the Bible. Ed. W. R. F. Browning. Oxford Biblical Studies Online. May 24, 2013. <http://www.oxfordbiblicalcstudies.com/article/opr/t94/e3>.
Chicago
"Abaddon." In A Dictionary of the Bible. , edited by W. R. F. Browning. Oxford Biblical Studies Online, http://www.oxfordbiblicalcstudies.com/article/opr/t94/e3 (accessed May 24, 2013).