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spectroradiometry
spectroradiometry n.
Brit. 
/ˌspɛktrə(ʊ)reɪdɪˈɒmᵻtri/
, /ˌspɛktrə(ʊ)reɪdɪˈɒmᵻtri/U.S. /ˌspɛktroʊˌreɪdiˈɑmətri/
/ˌspɛktroʊˌreɪdiˈɑmətri/ΘΚΠ
the world > matter > physics > electromagnetic radiation > [noun] > instrument for measuring > use of
radiometry1890
spectroradiometry1921
the world > matter > physics > atomic physics > decomposition of light, spectrum > study of spectra > types of spectrometry or spectroscopy > [noun] > spectroradiometry
spectroradiometry1921
1921 Jrnl. Optical Soc. Amer. 5 133 The fiducial line in this Bureau's spectroradiometry is the yellow helium line.
1945 R. A. Sawyer Exper. Spectrosc. xi. 277 The methods used in the investigation of the infrared radiation..are essentially the methods of spectroradiometry.
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