英语词汇“telephotometer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

telephotometer n.

Brit.

/ˌtɛlᵻfə(ʊ)ˈtɒmᵻtə/

U.S.

/ˌtɛləfəˈtɑmədər/

Physics an instrument for measuring the intensity of light from a distant source.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > light > intensity of light, luminosity > [noun] > degree of intensity > instrument

photometer1779

photoscope1872

spectrophotometer1881

light meter1889

Hefner1891

illuminometer1895

luxmeter1910

lumeter1911

telephotometer1915

1915 Theosophical Path Aug. 122 The telescope, telecamera, telespectroscope, telephotospectroscope, telephotometer, telebolometer and telemicrometer; these, and a hundred more adjunct instruments, have discovered many laws.

1931 Monthly Weather Rev. 1930 (U.S.) 58 440/2 In the measurements over the sea..the telephotometer, the range finder, and the theodolite were set up on the point of the mole.

1949 Proc. Inst. Electr. Engineers 96 ii. 456/2 It was possible to calibrate the telephotometer in daylight by reference to tungsten-filament standard lamps of 1-, 2- and 5-kW sizes over ranges varying from 1 500 to 5 000 ft.

2004 R. W. G. Hunt Reprod. Colour (ed. 6) vi. 58 The densities and log scene luminances were measured using the same telephotometer.

单词	telephotometer
释义	> as lemmas telephotometer telephotometer n. Brit. /ˌtɛlᵻfə(ʊ)ˈtɒmᵻtə/ , U.S. /ˌtɛləfəˈtɑmədər/ Physics an instrument for measuring the intensity of light from a distant source. ΘΚΠ the world > matter > physics > electromagnetic radiation > light > intensity of light, luminosity > [noun] > degree of intensity > instrument photometer1779 photoscope1872 spectrophotometer1881 light meter1889 Hefner1891 illuminometer1895 luxmeter1910 lumeter1911 telephotometer1915 1915 Theosophical Path Aug. 122 The telescope, telecamera, telespectroscope, telephotospectroscope, telephotometer, telebolometer and telemicrometer; these, and a hundred more adjunct instruments, have discovered many laws. 1931 Monthly Weather Rev. 1930 (U.S.) 58 440/2 In the measurements over the sea..the telephotometer, the range finder, and the theodolite were set up on the point of the mole. 1949 Proc. Inst. Electr. Engineers 96 ii. 456/2 It was possible to calibrate the telephotometer in daylight by reference to tungsten-filament standard lamps of 1-, 2- and 5-kW sizes over ranges varying from 1 500 to 5 000 ft. 2004 R. W. G. Hunt Reprod. Colour (ed. 6) vi. 58 The densities and log scene luminances were measured using the same telephotometer. extracted from tele-comb. form < as lemmas
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> as lemmas