[thur-muh-graf, -grahf]


a thermometer that records the temperatures it measures.

Origin of thermograph

First recorded in 1830–40; thermo- + -graph Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for thermograph

Historical Examples of thermograph

British Dictionary definitions for thermograph



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

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for thermograph




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