Dictionary
hu•mid•i•fi•er
Pronunciation: (hyOO-mid'u-fī"ur or, often, yOO-), [key]—
n.
1. a device for increasing the amount of water vapor in the air of a room or building, consisting of a container for water and a vaporizer.
2. any device for regulating the amount of water vapor in a specific container or area.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.