• synonyms


[thur-muh-graf, -grahf]
  1. a thermometer that records the temperatures it measures.
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Origin of thermograph

First recorded in 1830–40; thermo- + -graph
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for thermograph

Historical Examples of thermograph

  • In the instrument-screen we had a thermograph, hygrometer, and thermometers.

    The South Pole, Volumes 1 and 2

    Roald Amundsen

  • The general care of the barograph is the same as that of the thermograph.

  • McLean attended to the thermograph which Bage and I had installed in the autumn.

  • During my absence Robert occupied my tent, where the barograph and the thermograph ticked on my boxes.

  • The bag was raised to the top of a six-foot snow mound, a thermograph being placed alongside.

British Dictionary definitions for thermograph


  1. a type of thermometer that produces a continuous record of a fluctuating temperature
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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

Word Origin and History for thermograph


1840, from thermo- + -graph "instrument for recording; something written." Related: Thermographic.

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Online Etymology Dictionary, © 2010 Douglas Harper

thermograph in Medicine


  1. A thermometer that records the temperature it indicates.
  2. The apparatus used in diagnostic thermography.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.