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单词 holophotometer
释义

> as lemmas

holophoˈtometer
holophoˈtometer n. an apparatus for measuring the whole light emitted from a source.
ΘΚΠ
the world > physical sensation > sight and vision > optical instruments > instruments for measuring > [noun] > light or radiation
phaometer1747
photometer1779
diaphanometer1789
lucimeter1825
refractometer1842
Abbe refractometer1876
dietheroscope1877
reflectometer1879
radiomicrometer1887
holophotometer1888
flicker photometer1896
microphotometer1899
diffractometer1909
spot meter1952
photopolarimeter1971
1888 Times (Weekly ed.) 11 May 7/2 The holophotometer..is a marvellous apparatus, of great ingenuity, for measuring, by a careful adjustment of mirrors, the intensity of light all round.
extracted from holophoten.
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更新时间:2025/3/4 14:51:15