Lumina

Lumina
Lumen Lu"men, n.; pl. L. {Lumina}, E. {Lumens}. [L., light, an opening for light.] 1. (Photom.) (a) A unit of illumination, being the amount of illumination of a unit area of spherical surface, due to a light of unit intensity placed at the center of the sphere. (b) A unit of light flux, being the flux through one square meter of surface the illumination of which is uniform and of unit brightness. [Webster 1913 Suppl.]

2. (Biol.) An opening, space, or cavity, esp. a tubular cavity; a vacuole. [Webster 1913 Suppl.]


The Collaborative International Dictionary of English. 2000.

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  • lumina — LUMINÁ, luminez, vb. I. I. 1. intranz. (Despre aştri sau despre alte surse de lumină) A produce, a emite, a răspândi lumină; a fi luminos, a străluci. 2. tranz. A revărsa, a arunca lumină asupra unui lucru (pentru a fi văzut mai bine). ♦ (Despre… …   Dicționar Român

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