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bolometer

[boh-lom-i-ter, buh-] /boʊˈlɒm ɪ tər, bə-/
noun, Physics.
1.
a device for measuring minute amounts of radiant energy by determining the changes of resistance in an electric conductor caused by changes in its temperature.
Origin of bolometer
1880-1885
1880-85; < Greek bol() ray + -o- + -meter
Related forms
bolometric
[boh-luh-me-trik] /ˌboʊ ləˈmɛ trɪk/ (Show IPA),
adjective
bolometrically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for bolometer
  • Of particular interest to this experiment is the bolometer system used to measure the power radiated during plasma discharges.
  • A bolometer is a device for measuring the energy of incident electromagnetic radiation.
British Dictionary definitions for bolometer

bolometer

/bəʊˈlɒmɪtə/
noun
1.
a sensitive instrument for measuring radiant energy by the increase in the resistance of an electrical conductor
Derived Forms
bolometric (ˌbəʊləˈmɛtrɪk) adjective
bolometrically, adverb
bolometry, noun
Word Origin
C19: from bol-, from Greek bolē ray of light, stroke, from ballein to throw + -meter
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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