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[pahy-rom-i-ter] /paɪˈrɒm ɪ tər/
an apparatus for measuring high temperatures that uses the radiation emitted by a hot body as a basis for measurement.
Origin of pyrometer
1740-50; pyro- + -meter
Related forms
[pahy-ruh-me-trik] /ˌpaɪ rəˈmɛ trɪk/ (Show IPA),
pyrometrical, adjective
pyrometrically, adverb
pyrometry, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for pyrometer
  • The temperature may be measured by a thermocouple or a pyrometer.
  • Pretest temperatures were also taken using a suction pyrometer.
  • While the pyrometer measures the sample's surface temperature, the interior temperature is the real subject of concern.
  • Either device must be equipped with an indicating pyrometer which is positioned in the working area at the operator's eye level.
  • Another temperature monitoring method is to use a contact pyrometer.
  • Optical pyrometer techniques were eliminated because viewing ports are not typically available.
British Dictionary definitions for pyrometer


an instrument for measuring high temperatures, esp by measuring the brightness (optical pyrometer) or total quantity (radiation pyrometer) of the radiation produced by the source. Other types include the resistance thermometer and the thermocouple
Derived Forms
pyrometric (ˌpaɪrəʊˈmɛtrɪk), pyrometrical, adjective
pyrometrically, adverb
pyrometry, noun
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
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