Dictionary
de•fec•tion
Pronunciation: (di-fek'shun), [key]—
n.
1. desertion from allegiance, loyalty, duty, or the like; apostasy:
His defection to East Germany was regarded as treasonable.
2. failure; lack; loss:
He was overcome by a sudden defection of courage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.