-
1 candela.steradian
-
2 lm
-
3 spherical flow of light
English-german technical dictionary > spherical flow of light
-
4 lumen
См. также в других словарях:
lumen — /looh meuhn/, n., pl. lumens, lumina / meuh neuh/. 1. Optics. the unit of luminous flux, equal to the luminous flux emitted in a unit solid angle by a point source of one candle intensity. Abbr.: lm 2. Anat. the canal, duct, or cavity of a… … Universalium
lumen — noun (plural lumens; also lumina) Etymology: New Latin lumin , lumen, from Latin, light, air shaft, opening Date: 1873 1. the cavity of a tubular organ or part < the lumen of a blood vessel > 2. the bore of a tube (as of a hollow needle or… … New Collegiate Dictionary
lumen — /ˈlumən / (say loohmuhn) noun (plural lumens or lumina /ˈlumənə/ (say loohmuhnuh)) 1. Optics the derived SI unit of luminous flux; the light emitted in a unit solid angle of one steradian by a point source having a uniform intensity of one… …
