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hygrograph

[hahy-gruh-graf, -grahf]
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noun
  1. a self-recording hygrometer.
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Origin of hygrograph

First recorded in 1860–65; hygro- + -graph
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for hygrograph

Historical Examples

  • This and other types of hygrometer can be arranged to record their own readings continuously, constituting a hygrograph.

    Meteorology

    Charles Fitzhugh Talman

British Dictionary definitions for hygrograph

hygrograph

noun
  1. an automatic hygrometer that produces a graphic record of the humidity of the air
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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
hygrograph in Science

hygrograph

[hī′grə-grăf′]
  1. A hygrometer that records variations in atmospheric humidity.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.