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spectroradiometer
spectroradiometer n.
Brit. 
/ˌspɛktrə(ʊ)reɪdɪˈɒmᵻtə/
, /ˌspɛktrə(ʊ)reɪdɪˈɒmᵻtə/U.S. /ˌspɛktroʊˌreɪdiˈɑmədər/
a combination of a spectroscope and a radiometer, designed to measure the intensity of electromagnetic radiation over a range of wavelengths./ˌspɛktroʊˌreɪdiˈɑmədər/ΘΚΠ
the world > matter > physics > electromagnetic radiation > [noun] > instrument for measuring
radiometer1875
spectroradiometer1923
planchet1947
the world > matter > physics > atomic physics > decomposition of light, spectrum > study of spectra > types of spectrometry or spectroscopy > [noun] > spectroradiometry > instrument used in
spectroradiometer1923
1923 Jrnl. Optical Soc. Amer. 7 439 The essential parts of a spectroradiometer consist of (1) a suitable spectrometer for dispersing thermal radiation into a spectrum, and (2) suitable radiometric instruments for measuring the spectral radiation intensities.
1975 Nature 10 Apr. 512/2 Measurements of the spectral energy distributions..of natural radiation between 400 and 800 nm were made using a spectroradiometer.
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