Pronunciation: (eb"u-lish'un), [key]
1. a seething or overflowing, as of passion or feeling; outburst.
2. the state of being ebullient.
3. the act or process of boiling up.
4. a rushing forth of water, lava, etc., in a state of agitation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.