Pronunciation: (ē'gō-iz"um, eg'ō-), [key]
1. the habit of valuing everything only in reference to one's personal interest; selfishness (opposed to altruism).
2. egotism or conceit.
3. Ethics.the view that morality ultimately rests on self-interest.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.