| 单词 | holophotometer |
| 释义 | > as lemmasholophoˈtometer 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. < as lemmas |
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