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humidistat

[hyoo-mid-uh-stat or, often, yoo-]
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noun
  1. an instrument for measuring and controlling humidity.
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Origin of humidistat

First recorded in 1905–10; humid + -i- + -stat
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

Historical Examples

  • Hygroscopic′ity; Hygrostat′ics, the art of measuring degrees of moisture.

    Chambers's Twentieth Century Dictionary (part 2 of 4: E-M)

    Various

British Dictionary definitions for hygrostat

hygrostat

noun
  1. another name for humidistat
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humidistat

noun
  1. a device for maintaining constant humidityAlso called: hygrostat
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
hygrostat in Science

hygrostat

[hī′grə-stăt′]
  1. 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
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humidistat

[hyōō-mĭd′ĭ-stăt′]
  1. See hygrostat.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.