bolometer


bo·lom·e·ter

noun \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
bo·lo·met·ric \ˌbō-lə-ˈme-trik\ adjective
bo·lo·met·ri·cal·ly \-tri-k(ə-)lē\ adverb

Origin of BOLOMETER

Greek bolē stroke, beam of light (from ballein to throw) + English -o- + -meter — more at devil
First Known Use: 1881

bo·lom·e·ter

noun \bō-ˈläm-ət-ər\   (Medical Dictionary)

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
bo·lo·met·ric \ˌbō-lə-ˈme-trik\ adjective
bo·lo·met·ri·cal·ly \-tri-k(ə-)lē\ adverb

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