alleviator: Meaning and Definition of
al•le•vi•a•tor
Pronunciation: (u-lē'vē-ā"tur), [key]
— n.
- a person or thing that alleviates.
- (in a pipeline) an airtight box, having a free liquid surface, for cushioning the shock of water hammer.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.