[hyoo-mid-uh-stat or, often, yoo-]
- an instrument for measuring and controlling humidity.
Origin of humidistat
Also called hy·gro·stat [hahy-gruh-stat] /ˈhaɪ grəˌstæt/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hygrostat
Hygroscopic′ity; Hygrostat′ics, the art of measuring degrees of moisture.
- another name for humidistat
- a device for maintaining constant humidityAlso called: hygrostat
- A device used for regulating the relative humidity of an enclosed space. A hygrostat contains a sensor that detects a preset level of humidity and is connected to a heater that is turned off and on as needed in order to keep the humidity at the preset level. Hygrostats are used in humidifiers and dehumidifiers, and are placed in the ductwork of laboratories and other facilities where climate control is necessary. Also called humidistat
- See hygrostat.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.