[Hybrid f. L. lūc(i)-, lūx light + -METER.]
1. An instrument for measuring the intensity of light; a photometer.
1825. Hamilton, Hand-bk. Terms, Lucimeter, in Optics, an apparatus for measuring the intensity of light proceeding from different bodies.
1875. in Knight, Dict. Mech.
2. ‘A sunshine recorder designed to measure the combined effect of the duration and intensity of sunshine in promoting evaporation’ (Cent. Dict.).
