bolometer

noun
bo·lom·e·ter | \bō-ˈlä-mə-tər \

Definition of bolometer 

: a very sensitive thermometer whose electrical resistance varies with temperature and which is used in the detection and measurement of feeble thermal radiation and is especially adapted to the study of infrared spectra

Other Words from bolometer

bolometric \ˌbō-lə-ˈme-trik \ adjective
bolometrically \ˌbō-lə-ˈme-tri-k(ə-)lē \ adverb

First Known Use of bolometer

1878, in the meaning defined above

History and Etymology for bolometer

Greek bolē stroke, beam of light (from ballein to throw) + English -o- + -meter — more at devil

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Last Updated

21 Aug 2018

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The first known use of bolometer was in 1878

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More Definitions for bolometer

bolometer

noun
bo·lom·e·ter | \bō-ˈläm-ət-ər \

Medical Definition of bolometer 

: a very sensitive thermometer used in the detection and measurement of feeble thermal radiation and especially adapted to the study of infrared spectra

Other Words from bolometer

bolometric \ˌbō-lə-ˈme-trik \ adjective
bolometrically \-tri-k(ə-)lē \ adverb

More from Merriam-Webster on bolometer

Britannica.com: Encyclopedia article about bolometer

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