lucimetern.
/l(j)uːˈsɪmɪtə/ 1. An instrument for measuring the intensity of light; a photometer.
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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
1825 W. Hamilton Hand-bk. Terms Arts & Sci. Lucimeter, in Optics, an apparatus for measuring the intensity of light proceeding from different bodies.
1875 in E. H. Knight Amer. Mech. Dict. II.
2. ‘A sunshine recorder designed to measure the combined effect of the duration and intensity of sunshine in promoting evaporation’ ( Cent. Dict.).
This entry has not yet been fully updated (first published 1903; most recently modified version published online December 2021).
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