Dictionary
fluc•tu•a•tion
Pronunciation: (fluk"chOO-ā'shun), [key]—
n.
1. continual change from one point or condition to another.
2. wavelike motion; undulation.
3. Genetics.a body variation due to environmental factors and not inherited.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.